A new year begins and last year’s bird list gets archived. It’s a fresh start, a time when we can start counting once again to see how many birds we can find over the next 12 months. To surpass a challenging number of species,  the planning, the conniving for major birding should have begun back in the past, in 2018. Forego strategies, do Big Year birding on the wing and you do a year list at your own peril. Unfortunately, time doesn’t stop for birding, love, or anything else. Every day counts and to seriously maximize the species total, a birder needs to maximize time in the field at the most productive places during the most productive times and then some.

It could mean venturing outdoors on January First accompanied by a storm of gulls picking through frozen garbage, or meditating on the calls of ducks, geese, and finches during a cold, misty dawn. Or, it could mean looking out the window and ticking a flock of Crimson-fronted Parakeets on a sunny, windblown day. The latter is how I began 2019 in Costa Rica and I am grateful. Since that first day, a mix of guiding and random birding during less than three weeks has brought me to more than 300 species. I’m also pleased that several of those are also key targets necessary to reach the 700 species my partner and I are shooting for.

Crimson-fronted Parakeets show red and yellow on their underwings as they fly above the towns and cities of Costa Rica’s Central Valley.

This is the list of those birds identified from January 1st on through the next 12 months, lifers in caps and the most outstanding species in bold. Wish me luck and birding Zen, here we go!

  1. Great Tinamou – Tinamus major; Carara, 3-Jan
  2. Little Tinamou – Crypturellus soui; Saladero, 20-Jan
  3. Thicket Tinamou – Crypturellus cinnamomeus; Ensenada, 19-April
  4. Slaty-breasted Tinamou – Crypturellus boucardi; Sarapiqui, Feb-17
  5. Black-bellied Whistling-Duck – Dendrocygna autumnalis; Carara, 3-Jan
  6. Muscovy Duck – Cairina moschata; Turrucares, 1-Jan
  7. Blue-winged Teal – Spatula discors; Turrucares, 1-Jan
  8. Lesser Scaup – Aythya affinis; Socorro, 15-April
  9. Great Curassow – Crax rubra; Saladero, 20-Jan
  10. Gray-headed Chachalaca – Ortalis cinereiceps; Cano Negro, 15-Jan
  11. Crested Guan – Penelope purpurescens; El Tapir, 5-Jan
  12. Black Guan – Chamaepetes unicolor; Poas, 9-Jan
  13. Buffy Crowned Wood-Partridge – Dendrotyx leucophrys; Irazu, March 8
  14. Crested Bobwhite – Colinus cristatus; Santa Barbara, March 14
  15. TAWNY-FACED QUAIL – Rhynchortyx cinctus; Laguna del Lagarto, 31-May
  16. Marbled Wood-Quail – Odontophorus gujanensis; Saladero, 20-Jan
  17. Spotted Wood-Quail – Odontophorus guttatus; Cloudbridge area, Feb-14
  18. Least Grebe – Tachybaptus dominicus; Carara, 3-Jan
  19. Black Skimmer – Rynchops niger; Punta Morales, 31-August
  20. Caspian Tern – Hydroprogne caspia; Punta Morales, 22-Sep
  21. Royal Tern – Thalasseus maximus; Saladero, 20-Jan
  22. Elegant Tern – Thalasseus elegans; Tarcoles, 18-Oct
  23. Gull-billed Tern – Gelochelidon nilotica; Punta Morales, 7-April
  24. Sandwich Tern – Thallaseus sandvicensis; Punta Morales, 7-April
  25. Brown Noddy – Anous stolidus; Puntarenas-Paquera ferry, 5-July
  26. Laughing Gull – Leucophaeus atricilla; Saladero, 20-Jan
  27. Rock Pigeon – Columba livia; Santa Barbara, 1-Jan
  28. Scaled Pigeon – Patagioenas speciosa; Sarapiqui, Feb-17
  29. Pale-vented Pigeon – Patagioenas cayennensis; Medio Queso, 14-Jan
  30. Red-billed Pigeon – Patagioenas flavorostris; Santa Barbara, 1-Jan
  31. Band-tailed Pigeon – Patagioenas fasciata; Poas, 9-Jan
  32. Short-billed Pigeon – Patagioenas nigrirostris; El Tapir, 5-Jan
  33. Ruddy Pigeon – Patagioenas subvinacea; Cloudbridge area, Feb-14
  34. Inca Dove – Columbina inca; Carara, 3-Jan
  35. Common Ground-Dove – Columbina passerina; Carara, 3-Jan
  36. Ruddy Ground-Dove – Columbina talpacoti; Carara, 3-Jan
  37. Plain-breasted Ground-Dove – Columbina minuta; Buenos Aires area, 13-April
  38. Blue Ground-Dove – Claravis pretiosa; Carara, 3-Jan
  39. Maroon-chested Ground-Dove – Claravis mondetoura; Irazu, March 8
  40. White-tipped Dove – Leptotila verreauxi; Carara, 3-Jan
  41. Gray-chested Dove – Leptotila cassini; Saladero, 20-Jan
  42. Gray-headed Dove – Leptotila plumbeiceps; Cano Negro, 15-Jan
  43. White-winged Dove – Zenaida asiatica; Santa Barbara, 1-Jan
  44. Mourning Dove – Zenaida macroura; Coris, 23-Feb
  45. Ruddy Quail-Dove – Geotrygon montana; Jaco, 4-May
  46. Violaceous Quail-Dove – Geotrygon violacea; Lands in Love, 3-August
  47. Buff-fronted Quail-Dove – Zentrygon costaricensis; Cinchona, 25-Jan
  48. Purplish-backed Quail-Dove – Zentrygon lawrencii; Pocosol Station, 15-September
  49. Olive-backed Quail-Dove – Leptotrygon veraguensis; Quebrada Gonzalez, 2-August
  50. Squirrel Cuckoo – Piaya cayana; Turrucares, 1-Jan
  51. Yellow-billed Cuckoo – Coccyzus americanus; Cahuita, 27-Oct
  52. Lesser Ground-Cuckoo – Morococcyx erythropygus; Carara, 3-Jan
  53. Smooth-billed Ani – Crotophaga ani; San Vito, 3-March
  54. Groove-billed Ani – Crotophaga sulcirostris; Carara, 3-Jan
  55. Striped Cuckoo – Tapera naevia; Carara, 8-Feb
  56. Short-tailed Nighthawk – Lurocalis semitorquatus; Sarapiqui, 15-June
  57. Lesser Nighthawk – Chordeiles acutippenis; Medio Queso, 14-Jan
  58. Common Nighthawk – Chordeiles minor; Buenos Aires area, 13-April
  59. Common Pauraque – Nyctidromus albicollis; Cano Negro, 15-Jan
  60. Dusky Nightjar – Antrostomus saturatus; Dota Valley, 24-Feb
  61. RUFOUS NIGHTJAR – ANTROSTOMUS RUFUS; Buenos Aires area, 13-April
  62. WHITE-TAILED NIGHTJAR – HYDROPSALIS CAYANNENSIS; Buenos Aires area, 13-April
  63. Great Potoo – Nyctibius grandis; Cope, 25-Feb
  64. Common Potoo – Nyctibius griseus; Medio Queso, 26-May
  65. Northern Potoo – Nyctibius jamaicensis; Punta Morales, 3-Feb
  66. Black Swift – Cypseloides niger; Chomes, 19-April
  67. White-collared Swift – Streptoprocne zonaris; Santa Barbara, 1-Jan
  68. Chestnut-collared Swift – Streptoprocne rutila; Santa Barbara, 20-Feb
  69. Spot-fronted Swift – Cypseloides cherriei; Villa San Ignacio, 23-Feb
  70. White-chinned Swift – Cypseloides cryptus; Finca Luna Nueva, 22-March
  71. Vaux’s Swift – Chaetura vauxi; Santa Barbara, 1-Jan
  72. Chimney Swift – Chaetura pelagica; Union de Guapiles, 26-March
  73. Costa Rican Swift – Chaetura fumosa; Jaco, 3-Feb
  74. Gray-rumped Swift – Chaetura cinereiventris; Sarapiqui, Feb-17
  75. Lesser Swallow-tailed Swift – Panyptila cayannensis; Carara, 3-Jan
  76. White-tipped Sicklebill – Eutoxeres aquila; Cope, 25-Feb
  77. White-necked Jacobin – Florisuga mellivora; Sarapiqui, 17-Feb
  78. Bronzy Hermit – Glaucis aeneus; Quinta Sarapiqui, 27-Feb
  79. Band-tailed Barbthroat – Threnetes ruckeri; Saladero, 20-Jan
  80. Green Hermit – Phaethornis guy; Cinchona, 10-Jan
  81. Long-billed Hermit – Phaethornis longirostris; Carara, 3-Jan
  82. Stripe-throated Hermit – Phaethornis striigularis; Carara, 3-Jan
  83. Brown Violetear – Colibri delphinae; El Tapir, 5-Jan
  84. Lesser Violetear – Colibri cyanotus; Poas, 9-Jan
  85. Green-breasted Mango – Anthracothorax prevostii; Carara, 3-Jan
  86. Purple-crowned Fairy – Heliothryx barroti; Saladero, 20-Jan
  87. Green Thorntail – Discosura conversii; Cinchona, 10-Jan
  88. Black-crested Coquette – Lophornis helenae; Mi Cafecito, 10-Jan
  89. White-crested Coquette – Lophornis adorabilis; Cloudbridge area, Feb-14
  90. Green-crowned Brilliant – Heliodoxa jacula; Poas, 9-Jan
  91. Talamanca Hummingbird – Eugenes spectabilis; Poas, 9-Jan
  92. Fiery-throated Hummingbird – Panterpe insignis; Poas, 9-Jan
  93. Plain-capped Starthroat – Heliomaster constantii; Villas San Ignacio, 12-Jan
  94. Long-billed Starthroat – Heliomaster longorostris; Cloudbridge area, Feb-14
  95. Purple-throated Mountain-gem – Lampornis calolaemus; Poas, 9-Jan
  96. White-bellied Mountain-gem – Lampornis hemileucus; Cinchona, Feb-18
  97. White-throated Mountain-gem – Lampornis castaneiventris; Cloudbridge area, Feb-14
  98. Magenta-throated Woodstar – Calliphlox bryantae; Poas, 9-Jan
  99. Ruby-throated Hummingbird – Archilochus colubris; Carara, 3-Jan
  100. Volcano Hummingbird – Selasphorus flammula; Poas, 9-Jan
  101. Scintillant Hummingbird – Selasphorus scintillans; Dota Valley, 24-Feb
  102. Canivet’s Emerald – Chlorostilbon canivetii; Santa Barbara, 20-Feb
  103. Garden Emerald – Chlorostilbon assimilis; Cloudbridge area, Feb-14
  104. Violet-headed Hummingbird – Klais guimeti; El Tapir, 5-Jan
  105. Scaly-breasted Hummingbird – Phaeochroa cuvierii; Carara, 3-Jan
  106. Violet Sabrewing – Campylopterus hemileucurus; Poas, 9-Jan
  107. Black-bellied Hummingbird – Eupherusa nigriventris; San Rafael road, 9-Jan
  108. Coppery-headed Emerald – Elvira cupreiceps; Cinchona, 10-Jan
  109. White-tailed Emerald – Elvira chionura; Tolomuco, 24-Feb
  110. Snowcap – Microchera albocoronata; El Tapir, 5-Jan
  111. Bronze-tailed Plumeleteer – Chalybura urochrysia; El Tapir, 5-Jan
  112. Crowned Woodnymph – Thalurania colombica; El Tapir, 5-Jan
  113. Charming Hummingbird – Amazilia decora; Carara, 3-Jan
  114. Blue-chested Hummingbird – Amazilia amabilis; Sarapiqui, 27-Feb
  115. Steely-vented Hummingbird – Amazilia saucerottei; Carara, 3-Jan
  116. Snowy-bellied Hummingbird – Amazilia edward; Cloudbridge area, Feb-14
  117. Rufous-tailed Hummingbird – Amazilia tzacatl; Carara, 3-Jan
  118. Cinnamon Hummingbird – Amazilia rutila; Carara, 3-Jan
  119. Mangrove Hummingbird – Amazilia boucardi; Punta Morales, 7-April
  120. Stripe-tailed Hummingbird – Eupherusa eximia; Cloudbridge area, Feb-14
  121. Blue-throated Goldentail – Hylocharis eliciae; Carara, 3-Jan
  122. Sunbittern – Eurypyga helias; Lands in Love, 3-August
  123. White-throated Crake – Laterallus albigularis; Medio Queso, 14-Jan
  124. Ocellated Crake – Micropygia schomburgkii; Buenos Aires area, 13-April
  125. Uniform Crake – Amaurolimnas concolor; Union de Guapiles, 19-March
  126. Russet-naped Wood-Rail – Aramides albiventris; Cano Negro, 15-Jan
  127. Gray-cowled Wood-Rail – Aramides cajaneus; Saladero, 20-Jan
  128. Sora – Porzana carolina; Medio Queso, 14-Jan
  129. Yellow-breasted Crake – Hapalocrex flaviventer; Medio Queso, 14-Jan
  130. Purple Gallinule – Porphyrio martinicus; Carara, 3-Jan
  131. Common Gallinule – Gallinula galeata; Medio Queso, 14-Jan
  132. Sungrebe – Heliornis fulica; Cano Negro, 15-Jan
  133. Limpkin – Aramus guarauna; Medio Queso, 14-Jan
  134. Double-striped Thick-Knee – Burhinus bistriatus; Jaco, 3-Feb
  135. Black-necked Stilt – Himantopus mexicanus; Turrucares, 1-Jan
  136. Killdeer – Charadrius vociferus; Heredia, 10-April
  137. Southern Lapwing – Vanellus chilensis; Turrucares, 1-Jan
  138. Black-bellied Plover – Pluvialis squatarola; Punta Morales, 3-Feb
  139. Semipalmated Plover – Charadrius semipalmatus; Punta Morales, 3-Feb
  140. Wilson’s Plover – Charadrius wilsonia; Punta Morales, 7-April
  141. Collared Plover – Charadrius collaris; Punta Morales, 22-Sep
  142. Northern Jacana – Jacana spinosa; Turrucares, 1-Jan
  143. Marbled Godwit – Limosa fedoa; Punta Morales, 3-Feb
  144. Ruddy Turnstone – Arenaria interpres; Punta Morales, 3-Feb
  145. Whimbrel – Numenius phaeopus; Punta Morales, 3-Feb
  146. Short-billed Dowitcher – Limnodromus griseus; Punta Morales, 7-April
  147. Long-billed Dowitcher – Limnodromus scolopaceus; Taboga, 10-Nov
  148. Spotted Sandpiper – Actitis macularius; Turrucares, 1-Jan
  149. Solitary Sandpiper – Tringa solitarius; Carara area, 4-May
  150. Greater Yellowlegs – Tringa melanoleuca; Turrucares, 1-Jan
  151. Lesser Yellowlegs – Tringa flavipes; Cano Negro, 15-Jan
  152. Willet – Tringa semipalmata; Saladero, 20-Jan
  153. Ruff- Calidris pugnax; Taboga, 10-Nov
  154. Buff-breasted Sandpiper – Calidris subruficollis; Alajuela, 26-Sep
  155. Red Knot -Calidris canutus; Punta Morales, 22-Sep
  156. Surfbird – Calidris virgata; Punta Morales, 31-August
  157. Pectoral Sandpiper – Calidris melonotus; Carara area, 4-May
  158. Stilt Sandpiper – Calidris himantopus; Ensenada, 19-April
  159. Sanderling – Calidris alba; Carara, 8-Feb
  160. Western Sandpiper – Calidris mauri; Punta Morales, 3-Feb
  161. Semipalmated Sandpiper – Calidris pusilla; Carara, 8-Feb
  162. Least Sandpiper – Calidris minutilla; Punta Morales, 3-Feb
  163. Baird’s Sandpiper – Calidris bairdii; Resvervoir Turrucares, 5-Oct
  164. Wilson’s Phalarope – Phalaropus tricolor, Chomes, 19-April
  165. Jabiru – Jabiru mycteria; Cano Negro, 15-Jan
  166. Wood Stork – Mycteria americana; Carara, 3-Jan
  167. Magnificent Frigatebird – Fregata magnificens; Carara, 3-Jan
  168. Neotropic Cormorant – Phalacrocorax brasilianus; Turrucares, 1-Jan
  169. Brown Booby – Sula leucogaster; Carara, 8-Feb
  170. Anhinga – Anhinga anhinga; Medio Queso, 14-Jan
  171. Brown Pelican – Pelecanus occidentalis; Carara, 3-Jan
  172. Pinnated Bittern – Botaurus pinnatus; Medio Queso, 14-Jan
  173. Least Bittern – Ixobrychus exilis; Medio Queso, 14-Jan
  174. Fasciated Tiger-Heron – Tigrisoma fasciatum; Sarapiqui, Feb-17
  175. Bare-throated Tiger-Heron – Tigrisoma mexicanum; Medio Queso, 14-Jan
  176. Great Blue Heron – Ardea herodias; Turrucares, 1-Jan
  177. Great Egret – Ardea alba; Turrucares, 1-Jan
  178. Snowy Egret – Egretta thula; Turrucares, 1-Jan
  179. Little Blue Heron – Egretta caerulea; Turrucares, 1-Jan
  180. Agami Heron – Agamia agami; Cope’s, 11-May
  181. Tricolored Heron – Egretta tricolor; Cano Negro, 15-Jan
  182. Cattle Egret – Bubulcus ibis; Turrucares, 1-Jan
  183. Striated Heron – Butorides striata; Medio Queso, 26-May
  184. Green Heron – Butorides virescens; Turrucares, 1-Jan
  185. Black-crowned Night-Heron – Nycticorax nycticorax; Cano Negro, 15-Jan
  186. Yellow-crowned Night-Heron – Nyctanassa violacea; Punta Morales, 3-Feb
  187. Boat-billed Heron – Cochlearius cochlearius; Cano Negro, 15-Jan
  188. White Ibis – Eudocimus albus; Medio Queso, 14-Jan
  189. Glossy Ibis – Plegadis falcinellus; Cano Negro, 15-Jan
  190. Green Ibis – Mesembrinibis cayennensis; Sarapiqui, 27-Feb
  191. Roseate Spoonbill – Platalea ajaja; Medio Queso, 14-Jan
  192. King Vulture – Sarcoramphus papa; Saladero, 20-Jan
  193. Black Vulture – Coragyps atratus; Santa Barbara, 1-Jan
  194. Turkey Vulture – Cathartes aura; Santa Barbara, 1-Jan
  195. Lesser Yellow-headed Vulture – Cathartes burrovianus; Medio Queso, 14-Jan
  196. Osprey – Pandion haliaetus; Cano Negro, 15-Jan
  197. Pearl Kite – Gampsonyx swainsonii; Guacalillo, 5-April
  198. White-tailed Kite – Elanus leucurus; Medio Queso, 14-Jan
  199. Plumbeous Kite – Ictinia plumbea; Ensenada, 19-April
  200. Mississippi Kite – Ictinia mississippiensis; Pozo Azul, 23-August
  201. Gray-headed Kite – Leptodon cayanensis; Cano Negro, 15-Jan
  202. Crane Hawk – Geranospiza caerulescens; Carara, 3-Jan
  203. Snail Kite – Rostrhamus sociabilis; Medio Queso, 14-Jan
  204. Double-toothed Kite – Harpagus bidentatus; Saladero, 20-Jan
  205. Hook-billed Kite – Chondrohierax uncinatus; Saladero, 20-Jan
  206. Swallow-tailed Kite – Elanoides forficatus; Saladero, 20-Jan
  207. Tiny Hawk – Accipiter superciliosus; Arenal Observatory Lodge, 16-March
  208. Sharp-shinned Hawk – Accipiter striatus; Varablanca, 18-Feb
  209. Bicolored Hawk – Accipiter bicolor; Rancho Naturalista, 15-August
  210. Barred Hawk – Morphnarchus princeps; Cinchona, 10-Jan
  211. Roadside Hawk – Rupornis magnirostris; Cano Negro, 15-Jan
  212. White Hawk – Pseudastur albicollis; El Tapir, 5-Jan
  213. Harris’s Hawk – Parabuteo unicinctus; Muelle, 28-Feb
  214. Semiplumbeous Hawk – Leucopternis semiplumbeus; El Tapir, 5-Jan
  215. Gray Hawk – Buteo plagiatus; Carara, 3-Jan
  216. Broad-winged Hawk – Buteo platypterus; Carara, 3-Jan
  217. Swainson’s Hawk – Buteo swainsonu; Muelle, 17-March
  218. Short-tailed Hawk – Buteo brachyurus; Santa Barbara, 1-Jan
  219. Zone-tailed Hawk – Buteo albonotatus; Villas San Ignacio, 12-Jan
  220. Red-tailed Hawk – Buteo jaimacensis; Poas, 25-Jan
  221. Black-collared Hawk – Busarellus nigricollis; Medio Queso, 26-May
  222. Great Black-Hawk – Buteogallus urubutinga; Arenal, 16-March
  223. Common Black-Hawk – Buteogallus anthracinus; Rincon de Osa, 19-Jan
  224. Black-and-white Hawk-Eagle – Spizaetus melanoleucus; Sarapiqui, 15-June
  225. Ornate Hawk-Eagle – Spizaetus ornatus; Laguna del Lagarto, 1-June
  226. Black Hawk-Eagle – Spizaetus tyrannus; Los Cusingos, Feb-15
  227. Barn-Owl – Tyto alba; San Juan, 8-Jan
  228. Ferruginous Pygmy-Owl – Glaucidium brasilianum; Carara, 3-Jan
  229. Costa Rican Pygmy-Owl – Glaucidium costaricanum; Poas, 26-Jan
  230. Central American Pygmy-Owl – Glaucidium griceiceps; Socorro, 15-April
  231. Pacific Screech-Owl – Megascops cooperi; Cerro Lodge, 3-Feb
  232. Tropical Screech-Owl – Megascops choliba; Jaco, 3-Feb
  233. Bare-shanked Screech-Owl – Megascops clarkii; Poas, 4-March
  234. Vermiculated Screech-Owl – Megascops guatemalensis; Sarapiqui, 27-Feb
  235. Mottled Owl – Ciccaba virgata; San Juan, 8-Jan
  236. Black and white Owl – Ciccaba nigrolineata; Jaco, 3-Feb
  237. Crested Owl – Lophostrix cristata; Saladero, 20-Jan
  238. Spectacled Owl – Pulsatrix perspicillata; Jaco, 3-Feb
  239. Baird’s Trogon – Trogon bairdii; Saladero, 20-Jan
  240. Lattice-tailed Trogon – Trogon clathratus; Quebrada Gonzalez, 31-March
  241. Slaty-tailed Trogon – Trogon massena; Carara, 3-Jan
  242. Black-headed Trogon – Trogon melanocephalus; Carara, 3-Jan
  243. Black-throated Trogon; Saladero, 20-Jan
  244. Gartered Trogon – Trogon caligatus; Carara, 3-Jan
  245. Collared Trogon – Trogon collaris; Poas, 9-Jan
  246. Elegant Trogon – TRogon elegans; Santa Rosa National Park, 26-July
  247. Resplendent Quetzal – Pharomachrus mocinno; Poas, 25-Jan
  248. Lesson’s Motmot – Momotus lessonii; Santa Barbara, 1-Jan
  249. Rufous Motmot – Baryphthengus martii; Sarapiqui, Feb-17
  250. Keel-billed Motmot – Electron carinatum; Arenal, 16-March
  251. Broad-billed Motmot – Electron platyrhynchum; Sarapiqui, Feb-17
  252. Turquoise-browed Motmot – Eumomota superciliosa; Carara, 3-Jan
  253. Ringed Kingfisher – Megaceryle torquata; Medio Queso, 14-Jan
  254. Belted Kingfisher – Megaceryle alcyon; Carara, 8-Feb
  255. Amazon Kingfisher – Chloroceryle amazona; Medio Queso, 14-Jan
  256. Green Kingfisher – Chloroceryle americana; Medio Queso, 14-Jan
  257. Green-and-rufous Kingfisher – Chloroceryle inda; Cano Negro, 15-Jan
  258. American Pygmy Kingfisher – Chloroceryle aenea; Cope, 26-Feb
  259. White-necked Puffbird – Notharchus hyperrhynchus; Sarapiqui, 27-Feb
  260. Pied Puffbird – Notharchus tectus; Cano Negro, 15-Jan
  261. White-whiskered Puffbird – Malacoptila panamensis; Carara, 3-Jan
  262. White-fronted Nunbird – Monasa morphoeus; Sarapiqui, 27-Feb
  263. Rufous-tailed Jacamar – Galbula ruficauda; Carara, 3-Jan
  264. Red-headed Barbet – Eubucco bourcierii; Cinchona, 10-Jan
  265. Prong-billed Barbet – Semnornis frantzii; Cinchona, 10-Jan
  266. Northern Emerald-Toucanet – Aulacorhynchus prasinus; Cinchona, 10-Jan
  267. Yellow-eared Toucanet – Selenidera spectabilis; Quebrada Gonzalez, 29-March
  268. Fiery-billed Aracari – Pteroglossus frantzii; Saladero, 20-Jan
  269. Collared Aracari – Pteroglossus torquatus; Cano Negro, 15-Jan
  270. Keel-billed Toucan – Ramphastos sulfuratus; Mi Cafecito, 10-Jan
  271. Yellow-throated Toucan – Ramphastos ambiguus; Carara, 3-Jan
  272. Acorn Woodpecker – Melanerpes formicivorus; Poas, 9-Jan
  273. Golden-naped Woodpecker – Melanerpes chrysauchen; Saladero, 20-Jan
  274. Black-cheeked Woodpecker – Melanerpes pucherani; Mi Cafecito, 10-Jan
  275. Hoffmann’s Woodpecker – Melanerpes hoffmannii; Santa Barbara, 1-Jan
  276. Red-crowned Woodpecker – Melanerpes rubricollis; San Vito, 4-March
  277. Hairy Woodpecker – Dryobates villosus; Poas, 9-Jan
  278. Smoky-brown Woodpecker – Dryobates fumigatus; Sarapiqui, Feb-17
  279. Rufous-winged Woodpecker – Piculus simplex; El Tapir, 5-Jan
  280. Golden-olive Woodpecker – Colaptes rubiginosus; Socorro, 25-Jan
  281. Cinnamon Woodpecker – Celus loricatus; Sarapiqui, Feb-17
  282. Chestnut-colored Woodpecker – Celus castaneus; Sarapiqui, Feb-17
  283. Lineated Woodpecker – Dryocopus lineatus; Santa Barbara, 1-Jan
  284. Pale-billed Woodpecker – Campephilus guatemalensis; Carara, 3-Jan
  285. Olivaceous Piculet – Picumnus olivaceus; Saladero, 20-Jan
  286. Yellow-bellied Sapsucker – Sphyrapicus varius; Sarapiqui, 27-Feb
  287. Laughing Falcon – Herpetotheres cachinnans; Carara, 3-Jan
  288. Collared Forest-Falcon – Micrastur semitorquatus; Saladero, 20-Jan
  289. Barred Forest-Falcon – Micrastur ruficollis; Buenos Aires area, 13-April
  290. Crested Caracara – Caracara cheriway; Carara, 3-Jan
  291. Yellow-headed Caracara – Milvago chimachima; Carara, 3-Jan
  292. Merlin – Falco columbarius; Poas, 9-Jan
  293. Bat Falcon – Falco rufigularis; Carara, 3-Jan
  294. Peregrine Falcon – Falco peregrinus; Villas San Ignacio, 7-Jan
  295. Sulphur-winged Parakeet – Pyrrhura Hoffmanni; Cloudbridge area, Feb-14
  296. Olive-throated Parakeet – Eupsittula nana; Medio Queso, 14-Jan
  297. Orange-fronted Parakeet – Eupsittula canicularis; Carara, 3-Jan
  298. Great Green Macaw – Ara ambiguus; Mi Cafecito, 10-Jan
  299. Scarlet Macaw – Ara macao; Carara, 3-Jan
  300. Barred Parakeet – Bolborhynchus lineola; Poas Volcano, 14-June
  301. Red-fronted Parrotlet – Touit costaricensis; Quebrada Gonzalez, 2-August
  302. Crimson-fronted Parakeet – Psittacara finschi; Santa Barbara, 1-Jan
  303. Orange-chinned Parakeet – Brotogeris jugularis; Carara, 3-Jan
  304. Brown-hooded Parrot – Pyrilia haematotis; Carara, 3-Jan
  305. White-crowned Parrot – Pionus senilis; Carara, 3-Jan
  306. Blue-headed Parrot – Pionus menstruus; San Vito, 2-Feb
  307. White-fronted Parrot – Amazona albifrons; San Juan, 12-Jan
  308. Red-lored Parrot – Amazona autumnalis; Carara, 3-Jan
  309. Mealy Parrot – Amazona farinosa; El Tapir, 5-Jan
  310. Yellow-naped Parrot – Amazona auropalliata; Carara, 3-Jan
  311. Fasciated Antshrike – Cymbilaimus fasciatus; Sarapiqui, Feb-17
  312. Barred Antshrike – Thamnophilus doliatus; Carara, 3-Jan
  313. Black-hooded Antshrike – Thamnophilus bridgesi; Carara, 3-Jan
  314. Black-crowned Antshrike – Thamnophilus atrinucha; Cope, 26-Feb
  315. Russet Antshrike – Thamnistes anabatinus; El Tapir, 5-Jan
  316. Great Antshrike – Taraba major; Jaco, 3-Feb
  317. Streak-crowned Antvireo – Dysithamnus striaticeps; El Tapir, 5-Jan
  318. Plain Antvireo – Dysithamnus mentalis; Pocosol Station, 14-September
  319. White-flanked Antwren – Myrmotherula axillaris; El Tapir, 5-Jan
  320. Slaty Antwren – Myrmotherula schisticolor; Arenal, 16-March
  321. Checker-throated Antwren – Epinecrophylla fulviventris; El Tapir, 5-Jan
  322. Dot-winged Antwren – Microrhopias quixensis; Carara, 3-Jan
  323. Dusky Antbird – Cercomacroides tyrannina; Carara, 3-Jan
  324. Chestnut-backed Antbird – Myrmeciza exsul; Carara, 3-Jan
  325. Zeledon’s Antbird – Myrmeciza zeledoni; Socorro, 16-June
  326. Dull-mantled Antbird – Myrmeciza laemosticta; El Tapir, 5-Jan
  327. Bicolored Antbird – Gymnopithys leucapsis; Saladero, 20-Jan
  328. Spotted Antbird – Hylophylax naevioides; El Tapir, 5-Jan
  329. Ocellated Antbird – Phaenostictus mcleannani; Laguna del Lagarto, 2-June
  330. Bare-crowned Antbird – Gymnocichla nudiceps; Arenal, 16-March
  331. Black-crowned Antpitta – Pittasoma muchleri; Quebrada Gonzalez, 29-March
  332. Streak-chested Antpitta – Hylopezus perspicillatus; Carara, 3-Jan
  333. Thicket Antpitta – Hylopezus dives; Virgen del Socorro, 4-March
  334. Silvery-fronted Tapaculo – Scytalopus argentifrons; Poas, 9-Jan
  335. Black-faced Antthrush – Formicarius analis; Carara, 3-Jan
  336. Black-headed Antthrush – Formicarius nigricapillus; Pocosol Station, 15-September
  337. Olivaceous Woodcreeper – Sittasomus griseicapillus; Mi Cafecito, 10-Jan
  338. Northern Barred Woodcreeper – Dendrocolaptes sanctithomae; Jaco, 3-Feb
  339. Black-banded Woodcreeper – Dendrocolaptes picumnus; Rey de Cocora Gardens, 22-Oct 
  340. Wedge-billed Woodcreeper – Glyphorynchus spirurus; Carara, 3-Jan
  341. Black-striped Woodcreeper – Xiphorhynchus lachrymosus; Saladero, 20-Jan
  342. Cocoa Woodcreeper – Xiphorhynchus susurrans; Carara, 3-Jan
  343. Ivory-billed Woodcreeper – Xiphorhynchus flavigaster; Rincon de la Vieja, 1-Sep
  344. Black-striped Woodcreeper – Xiphorhynchus lachrymosus; Sarapiqui, 27-Feb
  345. Spotted Woodcreeper – Xiphorhynchus erythropygius; El Tapir, 5-Jan
  346. Streak-headed Woodcreeper – Lepidocolaptes souleyetii; Carara, 3-Jan
  347. Spot-crowned Woodcreeper – Lepidocolaptes affinis; Poas, 26-Jan
  348. Long-tailed Woodceeper – Deconychura longicauda; Saladero, 20-Jan
  349. Brown-billed Scythebill – Campylorhamphus pusillus; Virgen del Socorro, 4-March
  350. Tawny-throated Leaftosser – Sclerurus mexicanus; Jardines Rey de Cocora, 23-August
  351. Scaly-throated Leaftosser – Sclerurus guatemalensis; Lands in Love, 3-August
  352. Buffy Tuftedcheek – Pseudocolaptes lawrencii; Poas, 9-Jan
  353. Buff-fronted Foliage-gleaner – Philydor rufum; Pocosol Station, 15-September
  354. Scaly-throated Foliage-gleaner – Anabacerthia variegaticeps; Cinchona, 10-Jan
  355. Lineated Foliage-gleaner – Syndactyla subalaris; Jardines Rey de Cocora, 23-August
  356. Striped Woodhaunter – Automolus subulatus; Saladero, 20-Jan
  357. Buff-throated Foliage-gleaner – Automolus ochrolaemus; Arenal, 16-March
  358. Chiriqui Foliage-gleaner – Automolus exsertus; Jaco, 3-Feb
  359. Ruddy Foliage-gleaner – Clibanornis rubiginosus; San Vito, 3-March
  360. Streak-breasted Treehunter – Thripadectes rufobrunneus; Poas, 26-Jan
  361. Tawny-winged Woodcreeper – Dendrocincla anabatina; Saladero, 20-Jan
  362. Plain-brown Woodcreeper – Dendrocincla fuligonosa; Sarapiqui, Feb-17
  363. Plain Xenops – Xenops minutus; Jaco, 3-Feb
  364. Spotted Barbtail – Premnoplex brunnescens; Poas, 9-Jan
  365. Ruddy Treerunner – Margarornis rubiginosus; Poas, 9-Jan
  366. Red-faced Spinetail – Cranioleuca erythrops; Poas, 9-Jan
  367. Pale-breasted Spinetail – Synallaxis albescens; San Vito, 2-March
  368. Slaty Spinetail – Synallaxis brachyura; Cano Negro, 15-Jan
  369. Lance-tailed Manakin – Chiroxiphia lanceolata; San Vito, 2-March
  370. Long-tailed Manakin – Chiroxiphia linearis; Carara, 3-Jan
  371. White-ruffed Manakin – Corapipo altera; El Tapir, 5-Jan
  372. White-crowned Manakin – Dixiphia pipra; Rancho Naturalista, 15-August
  373. Blue-crowned Manakin – Lepidothrix coronata; Carara, 3-Jan
  374. Red-capped Manakin – Ceratopipra mentalis; Saladero, 20-Jan
  375. Orange-collared Manakin – Manacus aurantiacus; Los Cusingos,Feb-15
  376. White-collared Manakin – Manacus candei; Mi Cafecito, 10-Jan
  377. Snowy Cotinga – Carpodectes nitidus; Cano Negro, 15-Jan
  378. Yellow-billed Cotinga – Carpodectes antoniae; Rincon de Osa, 19-Jan
  379. Turquoise Cotinga – Cotinga ridgwayi; San Isidro, 3-March
  380. Purple-throated Fruitcrow – Querula purpurata; Sarapiqui, Feb-17
  381. Bare-necked Umbrellabird – Cephalopterus glabricollis; El Tapir, 17-June
  382. Rufous Piha – Piha unirufus; Los Cusingos,Feb-15
  383. Three-wattled Bellbird – Procnias tricarunculatus; Saladero, 20-Jan
  384. Northern Schiffornis veraepicas; Pocosol Station, 15-September
  385. Masked Tityra – Tityra semifasciata; Carara, 3-Jan
  386. Black-crowned Tityra- Tityra Tityra inquisitor; Carara, 3-Jan
  387. Cinnamon Becard – Pachyramphus cinnamomeus; Cinchona, Feb-18
  388. Barred Becard – Pachyramphus versicolor; Poas, 9-Jan
  389. White-winged Becard – Pachyramphus polychopterus; Jaco, 3-Feb
  390. Rose-throated Becard – Pachyramphus aglaiae; Turrucares, 1-Jan
  391. Royal Flycatcher – Onychorhynchus coronatus; Carara, 3-Jan
  392. Ruddy-tailed Flycatcher – Terenotriccus erythrurus; Carara, 3-Jan
  393. Sulphur-rumped Flycatcher – Myiobius sulphureipygius; Carara, 3-Feb
  394. Ochre-bellied Flycatcher – Mionectes oleagineus; Carara, 3-Jan
  395. Olive-striped Flycatcher – Mionectes olivaceus; Cinchona, 25-Jan
  396. Slaty-capped Flycatcher – Leptopogon superciliaris; Cloudbridge area, Feb-14
  397. Sepia-capped Flycatcher – Leptogogon amaurocephalus; Lands in Love, 3-August
  398. Rufous-browed Tyrannulet – Phylloscartes superciliaris; Virgen del Socorro, 4-March
  399. Black-capped Pygmy-Tyrant – Myiornis atricapillus; Sarapiqui, 27-Feb
  400. Scale-crested Pygmy-Tyrant – Lophotriccus pileatus; El Tapir, 5-Jan
  401. Northern Bentbill – Oncostoma cineiregulare; Carara, 3-Jan
  402. Slate-headed Tody-Flycatcher – Poecilotriccus sylvia; Carara, 3-Jan
  403. Common Tody-Flycatcher – Todirostrum cinereum; Carara, 3-Jan
  404. Black-headed Tody-Flycatcher – Todirostrum nigriceps; El Tapir, 5-Jan
  405. Eye-ringed Flatbill – Rhynchocyclus brevirostris; Carara, 3-Jan
  406. Yellow-olive Flycatcher – Tolmomyias sulphurescens; Carara, 3-Jan
  407. Yellow-margined Flycatcher – Tolmomyias assimilis; La Selva, 26-March
  408. Mouse-colored Tyrannulet – Nesotriccus murinus; San Vito, 2-March
  409. Northern Beardless-Tyrannulet – Camptostoma imberbe; Cano Negro, 15-Jan
  410. Southern Beardless-Tyrannulet – Camptostoma obsoletum; Carara, 3-Jan
  411. Yellow-crowned Tyrannulet – Tyrannulus elatus; Jaco, 3-Feb
  412. Yellow Tyrannulet – Capsiempis flaveola; Cano Negro, 15-Jan
  413. Rough-legged Tyrannulet – Phyllomyias burmeisteri; Cloudbridge area, Feb-14
  414. Greenish Elaenia – Myiopagis viridicata; Carara, 3-Jan
  415. Yellow-bellied Elaenia – Elaenia flavogaster; Carara, 3-Jan
  416. Lesser Elaenia – Elaenia chiriquensis; San Vito, 2-March
  417. Mountain Elaenia – Elaenia frantzii; Poas, 9-Jan
  418. Paltry Tyrannulet – Zimmerius vilissimus; Carara, 3-Jan
  419. Yellow-bellied Tyrannulet – Ornithion semiflavum; Saladero, 20-Jan
  420. Brown-capped Tyrannulet – Ornithion brunneicapillus; Finca Luna Nueva, 23-March
  421. Golden-crowned Spadebill – Platyrinchus coronatus; Saladero, 20-Jan
  422. Stub-tailed Spadebill – Platyrinchus cancrominus; Carara National Park, 18-Oct
  423. White-throated Spadebill – Platyrinchus mystaceus; Rancho Naturalista, 15-August
  424. Bran-colored Flycatcher – Myiophobus fasciatus; San Vito, 2-March
  425. Rufous Mourner – Rhytipterna holerythra; El Tapir, 5-Jan
  426. Dusky-capped Flycatcher – Myiarchus tuberculifer; Carara, 3-Jan
  427. Nutting’s Flycatcher – Myiarchus nuttingi; Carara, 3-Jan
  428. Great Crested Flycatcher – Myiarchus crinitus; Carara, 3-Jan
  429. Brown-crested Flycatcher – Myiarchus tyrannulus; Carara, 3-Jan
  430. Panama Flycatcher – Myiarchus panamensis; Tarcoles, 3-Feb
  431. Piratic Flycatcher – Legatus leucophaeus; Saladero, 20-Jan
  432. Great Kiskadee – Pitangus sulphuratus; Santa Barbara, 1-Jan
  433. Bright-rumped Attila – Attila spadiceus; Saladero, 20-Jan
  434. Boat-billed Flycatcher – Megarynchus pitangua; Santa Barbara, 1-Jan
  435. Social Flycatcher – Myiozetetes similis; Santa Barbara, 1-Jan
  436. Gray-capped Flycatcher – Myiozetetes granadensis; Carara, 3-Jan
  437. White-ringed Flycatcher – Conopias albovittatus; Sarapiqui, Feb-17
  438. Streaked Flycatcher – Myiodynastes maculatus; Carara, 3-Jan
  439. Sulphur-bellied Flycatcher – Myiodynastes luteiventris; Arenal, 16-March
  440. Golden-bellied Flycatcher – Myiodynastes hemichrysus; Cloudbridge area, Feb-14
  441. Tropical Kingbird – Tyrannus melancholicus; Santa Barbara, 1-Jan
  442. Eastern Kingbird – Tyrannus tyrannus; El Tapir, 26-March
  443. Scissor-tailed Flycatcher – Tyrannus forficatus; Carara, 3-Jan
  444. Fork-tailed Flycatcher – Tyrannus savana; Medio Queso, 14-Jan
  445. Tufted Flycatcher – Mitrephanes phaeocercus; Poas, 9-Jan
  446. Dark Pewee – Contopus lugubris; San Rafael road, 9-Jan
  447. Olive-sided Flycatcher – Contopus cooperi; Buenos Aires area, 13-April
  448. Western Wood-Pewee – Contopus sordidulus; Buenos Aires area, 13-April
  449. Eastern Wood-Pewee – Contopus virens; Finca Luna Nueva, 23-March
  450. Tropical Pewee – Contopus cinereus; Carara, 3-Jan
  451. Acadian Flycatcher – Empidonax virescens; Punta Uva, 26-Oct
  452. Yellow-bellied Flycatcher – Empidonax flaviventris; Carara, 3-Jan
  453. Yellowish Flycatcher – Empidonax flavescens; Poas, 9-Jan
  454. Black-capped Flycatcher – Empidonax atriceps; Poas, 9-Jan
  455. White-throated Flycatcher – Empidonax albigularis; San Miguel, 25-Jan
  456. Alder Flycatcher – Empidonax alnorum; Punta Uva, 26-Oct
  457. Willow Flycatcher – Empidonax traillii; Jaco, 5-May
  458. Tawny-chested Flycatcher – Aphanotriccus capitalis; Lands in Love, 30-June
  459. Black Phoebe – Sayornis nigricans; Poas, 9-Jan
  460. Torrent Tyrannulet – Serpophaga cinerea; La Paz waterfall, 25-Jan
  461. Northern Scrub-Flycatcher – Sublegatus arenarum; Carara, 3-Jan
  462. Long-tailed Tyrant – Colonia colonus; Sarapiqui, 27-Feb
  463. Green Shrike-Vireo – Vireolanius pulchellus; Quebrada Gonzalez, 29-March
  464. Rufous-browed Peppershrike – Cyclarhis gujanensis; Dota Valley, 24-Feb
  465. Lesser Greenlet – Pachysylvia decurtatus; Carara, 3-Jan
  466. Scrub Greenlet – Hylophilus flavipes; Carara, 8-Feb
  467. Tawny-crowned Greenlet – Hylophilus ochraceiceps; Saladero, 20-Jan
  468. Yellow-throated Vireo – Vireo flavifrons; Carara, 3-Jan
  469. Yellow-winged Vireo – Vireo carmioli; Poas, 9-Jan
  470. Mangrove Vireo – Vireo pallens; Tarcoles, 3-Feb
  471. Philadelphia Vireo – Vireo philadelphicus; Jaco, 3-Feb
  472. Brown-capped Vireo – Vireo leucophrys; Cloudbridge area, Feb-14
  473. Red-eyed Vireo – Vireo olivaceus; Quebrada Gonzalez, 29-March
  474. Yellow-green Vireo – Vireo flavoviridis; Cloudbridge area, Feb-14
  475. Silvery-throated Jay – Cyanolyca argentigula; Dota Valley, 25-Feb
  476. White-throated Magpie-Jay – Calocitta formosa; Carara, 3-Jan
  477. Brown Jay – Psilorhinus morio; Santa Barbara, 1-Jan
  478. Purple Martin – Progne subis; Ceiba Orotina, 22-Sep
  479. Gray-breasted Martin – Progne chalybea; Carara, 3-Jan
  480. Mangrove Swallow – Tachycineta albilinea; Carara, 3-Jan
  481. Blue-and-white Swallow – Pygochelidon cyanoleuca; Santa Barbara, 1-Jan
  482. Northern Rough-winged Swallow – Stelgidopteryx serripennis; Carara, 3-Jan
  483. Southern Rough-winged Swallow – Stelgidopteryx ruficollis; Cano Negro, 15-Jan
  484. Bank Swallow – Riparia riparia; Buenos Aires area, 13-April
  485. Cliff Swallow – Petrochelidon pyrrhonota; Poas, 9-March
  486. Cave Swallow – Petrochelidon fulva; Punta Morales, 22-Sep
  487. Barn Swallow – Hirundo rustica; Carara, 3-Jan
  488. House Wren – Troglodytes aedon; Santa Barbara, 1-Jan
  489. Ochraceous Wren – Troglodytes ochraceus; Poas, 9-Jan
  490. Band-backed Wren – Campylorhynchus zonatus; Mi Cafecito, 10-Jan
  491. Rufous-naped Wren – Campylorhynchus rufinucha; Turrucares, 1-Jan
  492. Rufous-breasted Wren – Pheugopedius rutilus; Carara, 3-Jan
  493. Spot-breasted Wren – Pheugopedius maculipectus; Cano Negro, 15-Jan
  494. Black-bellied Wren – Pheugopedius fasciatoventris; Saladero, 20-Jan
  495. Black-throated Wren – Pheugopedius atrogularis; Socorro, 26-Jan
  496. Rufous-and-white Wren – Thryophilus rufalbus; Carara, 3-Jan
  497. Banded Wren – Thryophilus pleurostictus; Carara, 3-Jan
  498. Stripe-breasted Wren – Cantorchilus thoracicus; El Tapir, 5-Jan
  499. Isthmian Wren – Cantorchilus elatus; Playa Blanca, 19-Jan
  500. Cabanis’s Wren – Cantorchilus modestus; Santa Barbara, 1-Jan
  501. Canebrake Wren – Cantorchilus zeledoni; Sarapiqui, 27-Feb
  502. Bay Wren – Cantorchilus nigricapillus; El Tapir, 5-Jan
  503. Riverside Wren – Cantorchilus semibadius; Carara, 3-Jan
  504. Nightingale Wren – Microcerculus philomela; Arenal, 16-March
  505. Timberline Wren – Thryorchilus browni; Cerro de la Muerte, 23-Feb
  506. Song Wren – Cyphorhinus phaeocephalus; Lands in Love, 30-June
  507. White-breasted Wood-Wren – Henicorhina leucosticta; El Tapir, 5-Jan
  508. Gray-breasted Wood-Wren – Henicorhina leucophrys; Poas, 9-Jan
  509. Scaly-breasted Wren – Microcerculus marginatus; Jaco, 3-Feb
  510. Tawny-faced Gnatwren – Microbates cinereiventris; El Tapir, 5-Jan
  511. Long-billed Gnatwren – Ramphocaenus melanurus; Carara, 3-Jan
  512. White-lored Gnatcatcher – Polioptila albiloris; Carara, 3-Jan
  513. Tropical Gnatcatcher – Polioptila plumbea; Carara, 3-Jan
  514. American Dipper – Cinclus mexicanus; Cariblanco, 25-Jan
  515. Black-faced Solitaire – Myadestes melanops; Poas, 9-Jan
  516. Black-billed Nightingale-Thrush – Catharus gracilirostris; Poas, 9-Jan
  517. Ruddy-capped Nightingale-Thrush – Catharus frantzii; Poas, 9-Jan
  518. Black-headed Nightingale-Thrush – Catharus mexicanus; El Tapir, 5-Jan
  519. Slaty-backed Nightingale-Thrush – Catharus fuscater; Poas, 9-Jan
  520. Orange-billed Nightingale-Thrush – Catharus aurantiirostris; Birri, 11-Jan
  521. Wood Thrush – Hylocichla mustelina; El Tapir, 5-Jan
  522. Sooty Thrush – Turdus nigrescens; Poas, 9-Jan
  523. Mountain Thrush – Turdus plebejus; Poas, 9-Jan
  524. Pale-vented Thrush – Turdus obsoletus; El Tapir, 5-Jan
  525. White-throated Thrush – Turdus assimilis; San Vito, 2-March
  526. Clay-colored Thrush – Turdus grayi; Santa Barbara, 1-Jan
  527. Swainson’s Thrush – Catharus ustulatus; Los Cusingos,Feb-15
  528. Tropical Mockingbird – Mimus gilvus; Muelle, 5-Feb
  529. Gray Catbird – Dumetella carolinensis; Sarapiqui, Feb-17
  530. Black-and-yellow Silky-flycatcher – Phainoptila melanoxantha; Poas, 9-Jan
  531. Long-tailed Silky-flycatcher – Ptiliogonys caudatus; Poas, 9-Jan
  532. House Sparrow – Passer domesticus; Santa Barbara, 1-Jan
  533. Golden-browed Chlorophonia – Chlorophonia callophrys; Poas, 9-Jan
  534. Scrub Euphonia – Euphonia affinis; Carara, 3-Jan
  535. Yellow-crowned Euphonia – Euphonia luteicapilla; Carara, 3-Jan
  536. Yellow-throated Euphonia – Euphonia hirundinacea; Carara, 3-Jan
  537. Thick-billed Euphonia – Euphonia laniirostris; Rincon de Osa, 19-Jan
  538. Elegant Euphonia – Euphonia elegantissima; Cinchona, 10-Jan
  539. Olive-backed Euphonia – Euphonia gouldi; El Tapir, 5-Jan
  540. Spot-crowned Euphonia – Euphonia imitans; Rincon de Osa, 20-Jan
  541. Tawny-capped Euphonia – Euphonia anneae; El Tapir, 5-Jan
  542. White-vented Euphonia – Euphonia minuta; Laguna del Lagarto, 2-June
  543. Yellow-bellied Siskin – Spinus xanthogastrus; Varablanca, 1-Feb
  544. Lesser Goldfinch – Spinus psaltria; Cloudbridge area, Feb-14
  545. Rosy Thrush-Tanager – Rhodinocichla rosea; Buenos Aires area, 13-April
  546. Yellow-thighed Finch – Pselliophorus tibialis; Poas, 9-Jan
  547. Large-footed Finch – Pezopetes capitalis; Poas, 9-Jan
  548. White-eared Ground-Sparrow – Melozone leucotis; Poas, 25-Jan
  549. Cabanis’s Ground-Sparrow – Melozone cabanisi; Santa Barbara, 5-Feb
  550. Orange-billed Sparrow – Arremon aurantiirostris; Carara, 3-Jan
  551. Sooty-faced Finch – Arremon crassirostris; Cinchona, 10-Jan
  552. Chestnut-capped Brush-Finch – Arremon brunneinucha; Poas, 25-Jan
  553. Olive Sparrow – Arremonops rufivirgatus; Carara, 3-Jan
  554. Black-striped Sparrow – Arremonops conirostris; Cano Negro, 15-Jan
  555. Costa Rican Brush-Finch – Arremon costaricensis; San Vito, 2-March
  556. White-naped Brush-Finch – Atlapetes albinucha; Cinchona, 25-Jan
  557. Stripe-headed Sparrow – Peucaea ruficauda; Carara, 3-Jan
  558. Rufous-collared Sparrow – Zonotrichia capensis; Santa Barbara, 1-Jan
  559. Volcano Junco – Junco volcani; Cerro de la Muerte, 26-Feb
  560. Common Chlorospingus – Chlorospingus flavopectus; Poas, 9-Jan
  561. Sooty-capped Chlorospingus – Chlorospingus pileatus; Poas, 9-Jan
  562. Ashy-throated Chlorospingus – Chlorospingus canigularis; Quebrada Gonzalez, 2-August
  563. Eastern Meadowlark – Sturnella magna; Jaco, 3-Feb
  564. Red-breasted Meadowlark – Leistes militaris; Medio Queso, 14-Jan
  565. Crested Oropendola – Psarocolius decumanus; San Vito, 2-March
  566. Chestnut-headed Oropendola – Psarocolius wagleri; El Tapir, 5-Jan
  567. Montezuma Oropendola – Psarocolius montezuma; Carara, 3-Jan
  568. Yellow-billed Cacique – Amblycercus holosericeus; Sarapiqui, Feb-17
  569. Scarlet-rumped Cacique – Cacicus uropygialis; El Tapir, 5-Jan
  570. Black-cowled Oriole – Icterus prosthemelas; Cinchona, 10-Jan
  571. Orchard Oriole – Icterus spurius; Medio Queso, 14-Jan
  572. Streak-backed Oriole – Icterus pustulatus; Carara, 3-Jan
  573. Spot-breasted Oriole – Octerus pectoralis; Ensenada, 19-April
  574. Baltimore Oriole – Icterus galbula; Carara, 3-Jan
  575. Red-winged Blackbird – Agelaius phoeniceus; Medio Queso, 14-Jan
  576. Shiny Cowbird – Molothrus bonariensis; Sarapiqui, 27-March
  577. Bronzed Cowbird – Molothrus aeneus; Carara, 3-Jan
  578. Giant Cowbird – Molothrus oryzivorus; Medio Queso, 14-Jan
  579. Melodious Blackbird – Dives dives; Santa Barbara, 1-Jan
  580. Great-tailed Grackle – Quiscalus mexicanus; Santa Barbara, 1-Jan
  581. Nicaraguan Grackle – Quiscalus nicaraguensis; Medio Queso, 14-Jan
  582. Wrenthrush – Zeledonia coronata; Poas, 25-Jan
  583. Ovenbird – Seiurus aurocapilla; Carara, 8-Feb
  584. Worm-eating Warbler – Helmitheros vermivorum; Carara, 8-Feb
  585. Louisiana Waterthrush – Parkesia motacilla; Cinchona, 10-Jan
  586. Northern Waterthrush – Parkesia noveboracensis; Carara, 3-Jan
  587. Golden-winged Warbler – Vermivora chrysoptera; Carara, 3-Jan
  588. Black-and-white Warbler – Mniotilta varia; Carara, 3-Jan
  589. Prothonotary Warbler – Protonotaria citrea; Carara, 3-Jan
  590. Flame-throated Warbler – Oreothlypis gutturalis; Poas, 9-Jan
  591. Tennessee Warbler – Oreothlypis peregrina; Carara, 3-Jan
  592. Gray-crowned Yellowthroat – Geothlypis poliocephala; Cinchona, 10-Jan
  593. Mourning Warbler – Geothlypis philadelphia; Cinchona, 10-Jan
  594. Olive-crowned Yellowthroat – Geothlypis semiflava; Cano Negro, 15-Jan
  595. Hooded Warbler – Setophaga citrina; Tierras Enamoradas, 21-March
  596. Kentucky Warbler – Geothlypis formosa; Sarapiqui, 27-Feb
  597. American Redstart – Setophaga ruticilla; Cinchona, 10-Jan
  598. Cerulean Warbler – Setophaga cerulea; Pocosol Station, 14-September
  599. Tropical Parula – Setophaga pitiayumi; Cinchona, 10-Jan
  600. Bay-breasted Warbler – Setophaga castanea; El Tapir, 5-Jan
  601. Blackburnian Warbler – Setophaga fusca; Cinchona, 10-Jan
  602. Yellow Warbler – Setophaga petechia; Carara, 3-Jan
  603. Chestnut-sided Warbler – Setophaga pensylvanica; Carara, 3-Jan
  604. Townsend’s Warbler – Setophaga townsendi; Poas, 9-Jan
  605. Black-throated Green Warbler – Setophaga virens; Poas, 9-Jan
  606. Buff-rumped Warbler – Myiothlypis fulvicauda; El Tapir, 5-Jan
  607. Golden-crowned Warbler – Basileuturs culicovorus; Cloudbridge area, Feb-14
  608. Costa Rican Warbler – Basileuturus melanotis; Cloudbridge area, Feb-14
  609. Rufous-capped Warbler – Basileuterus rufifrons; Carara, 3-Jan
  610. Black-cheeked Warbler – Basileuterus melanogenys; Poas, 25-Jan
  611. Wilson’s Warbler – Cardellina pusilla; Poas, 9-Jan
  612. Canada Warbler – Cardellina canadensis; Pocosol Station, 14-September
  613. Slate-throated Redstart – Myioborus miniatus; Poas, 9-Jan
  614. Collared Redstart – Myioborus torquatus; Poas, 9-Jan
  615. Dusky-faced Tanager – Mitrospingus cassinii; El Tapir, 5-Jan
  616. Hepatic Tanager – Piranga flava; Cinchona, 10-Jan
  617. Summer Tanager – Piranga rubra; Carara, 3-Jan
  618. Scarlet Tanager – Piranga olivacea; El Tapir, 30-March
  619. Flame-colored Tanager – Piranga bidentata; Santa Barbara, 1-Jan
  620. Red-crowned Ant-Tanager – Habia rubica; Villas San Ignacio, 12-Jan
  621. Red-throated Ant-Tanager – Habia fiscicauda; Sarapiqui, Feb-17
  622. Carmiol’s Tanager – Chlorothraupis carmioli; El Tapir, 5-Jan
  623. Black-faced Grosbeak – Caryothraustes poliogaster; El Tapir, 5-Jan
  624. Black-thighed Grosbeak – Pheucticus tibialis; Poas, 9-Jan
  625. Rose-breasted Grosbeak – Pheucticus ludovicianus; Carara, 3-Jan
  626. Blue-black Grosbeak – Cyanocompsa cyanoides; Carara, 3-Jan
  627. Blue Grosbeak – Passerina caerulea; Jaco, 3-Feb
  628. Painted Bunting – Passerina ciris; Carara, 3-Jan
  629. Dickcissel – Spiza americana; Carara, 3-Jan
  630. Blue and Gold Tanager – Bangsia arcaei; Quebrada Gonzalez, 28-March
  631. Gray-headed Tanager – Eucometis penicillata; Saladero, 20-Jan
  632. Blue-gray Tanager – Thraupis episcopus; Carara, 3-Jan
  633. Palm Tanager – Thraupis palmarum; Carara, 3-Jan
  634. Yellow-winged Tanager – Thraupis abbas; Cinchona, 9-March
  635. Plain-colored Tanager – Tangara inornata; Sarapiqui, Feb-17
  636. Golden-hooded Tanager – Tangara larvata; Carara, 3-Jan
  637. Speckled Tanager – Tangara guttata; El Tapir, 5-Jan
  638. Spangle-cheeked Tanager – Tangara dowii; Poas, 9-Jan
  639. Bay-headed Tanager – Tangara gyrola; Cinchona, 10-Jan
  640. Emerald Tanager – Tangara florida; El Tapir, 5-Jan
  641. Silver-throated Tanager – Tangara icterocephala; El Tapir, 5-Jan
  642. Slaty Flowerpiercer – Diglossa plumbea; Poas, 9-Jan
  643. Green Honeycreeper – Chlorophanes spiza; El Tapir, 5-Jan
  644. Black-and-yellow Tanager – Chrysothlypis chrysomelas; El Tapir, 5-Jan
  645. Blue-black Grassquit – Volatinia jacarina; Carara, 3-Jan
  646. White-shouldered Tanager – Tachyphonus luctuosus; Carara, 3-Jan
  647. Tawny-crested Tanager – Tachyphonus delattrii; El Tapir, 5-Jan
  648. White-lined Tanager – Tachyphonus rufus; San Vito, 2-March
  649. White-throated Shrike-Tanager – Lanio leucothorax; El Tapir, 5-Jan
  650. Crimson-collared Tanager – Ramphocelus sanguinolentus; El Tapir, 5-Jan
  651. Scarlet-rumped Tanager – Ramphocelus passerinii; El Tapir, 5-Jan
  652. Shining Honeycreeper – Cyanerpes lucidus; Saladero, 20-Jan
  653. Red-legged Honeycreeper – Cyanerpes cyaneus; Carara, 3-Jan
  654. Scarlet-thighed Dacnis – Dacnis venusta; El Tapir, 5-Jan
  655. Blue Dacnis – Dacnis cayana; Saladero, 20-Jan
  656. Bananaquit – Coereba flaveola; El Tapir, 5-Jan
  657. Slaty Finch – Haplospiza rustica; Irazu, 8-March
  658. Yellow-faced Grassquit – Tiaris olivaceus; Santa Barbara, 1-Jan
  659. Thick-billed Seed-Finch – Sporophila funerea; Cano Negro, 15-Jan
  660. Nicaraguan Seed-Finch – Sporophila nuttingi; Cano Negro, 15-Jan
  661. Slate-colored Seedeater – Sporophila schistacea; Jaco, 3-Feb
  662. Variable Seedeater – Sporophila corvina; Carara, 3-Jan
  663. Morelet’s Seedeater – Sporophila morelleti; Carara, 3-Jan
  664. Ruddy-breasted Seedeater – Sporophila minuta; Cano Negro, 15-Jan
  665. Wedge-tailed Grass-Finch – Emerizoides herbicola; Buenos Aires area, 13-April
  666. Black-headed Saltator – Saltator atriceps; Mi Cafecito, 10-Jan
  667. Buff-throated Saltator – Saltator maximus; Carara, 3-Jan
  668. Slate-colored Grosbeak – Saltator grossus; El Tapir, 5-Jan
  669. Grayish Saltator – Saltator coerulescens; Santa Barbara, 1-Jan
  670. Streaked Saltator – Saltator striatipectus; Cloudbridge area, Feb-14
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Written by Patrick O'Donnell
Patrick O'Donnell became a birder at the age of 7 after seeing books about birds in the Niagara Falls, New York public library. Although watching thousands of gulls in the Niagara Gorge was sublime, more bird species (and warmer weather) eventually brought him to Mexico, Costa Rica, Ecuador, and other very birdy tropical places. A biologist by training, he has worked on bird-related projects in Colorado, Washington, Peru, and other locales, and has guided birders in Peru, Ecuador, and Costa Rica. These days, he lives in Costa Rica where he juggles guiding, freelance writing, developing bird apps for Costa Rica and Panama, posting on his Costa Rica birding blog, and discussing dinosaurs with his young daughter.