10,000 Birds - Birding, blogging, conservation, and commentary
Terminology

What is a Nictitating Membrane?

February 6, 2014 by Corey 5 Comments
A nictitating membrane is a third eyelid that is translucent...
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Birds

Do Birds Have Penises?

April 23, 2012 by Birdchick 23 Comments
Warning, if you can’t tell by the title of the...
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Latest Destinations

What I Learned in Costa Rica from October Global Big Day, 2021

What I Learned in Costa Rica from October Global Big Day, 2021

South East Queensland [SEQ] Birding Destinations – Lady Elliot Island.

South East Queensland [SEQ] Birding Destinations – Lady Elliot Island.

Quality Lowland Caribbean Birding in Costa Rica at Centro Manu

Quality Lowland Caribbean Birding in Costa Rica at Centro Manu

Grassy Green Space in the Central Valley- Trash Habitat or Prime Real Estate for Oddball Birds?

Grassy Green Space in the Central Valley- Trash Habitat or Prime Real Estate for Oddball Birds?

Mangrove Birds of Costa Rica

Mangrove Birds of Costa Rica