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Birds

Diabolical Raptor Quiz: Mystery in the Trees

April 24, 2017 by Mike 6 Comments
I’m still recovering from several days of blisteringly good birding...
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Birds

A Random Diabolical Quiz

April 18, 2017 by Corey 37 Comments
It has been a long time since I’ve put up...
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Birds

Diabolical Extreme Close-Ups of Wood-Warblers Quiz

May 22, 2014 by Corey 14 Comments
This spring I have probably had more in-your-face wood-warblers than...
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Birds

Diabolical Early Spring Migrants Quiz

April 24, 2014 by Corey 8 Comments
It is spring! We in the northeastern United States are...
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competitions

The First Ever Diabolical Sparrow Quiz!

October 28, 2013 by Corey 14 Comments
We here at 10,000 Birds have had many difficult identification...
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Birds

The First Diabolical Wood-Warbler Quiz of 2013

September 25, 2013 by Corey 20 Comments
Can you handle it? It is fall, the time of...
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competitions

Reflected Challenge Answers

February 2, 2013 by Redgannet 1 Comment
Well done to anyone who managed to identify the correct...
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Birding

The Reflected Challenge

January 5, 2013 by Redgannet 9 Comments
Can you identify a bird from its distorted mirror image?...
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Birds

Diabolical Extreme Close-Up Quiz

November 4, 2012 by Corey 28 Comments
This quiz is truly diabolical. All three pictures show small...
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Birds

The Last Diabolical Wood-Warbler Quiz of 2012

October 15, 2012 by Corey 23 Comments
Catherine Hamilton has been the first to get all three...
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The best-kept birding secrets of Belgrade

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The Top 5 Avian Ambassadors of Costa Rica