10,000 Birds - Birding, blogging, conservation, and commentary
10,000 Birds - Birding, blogging, conservation, and commentary
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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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Welcome to 10,000 Birds, the world’s favorite birding blog! Learn more about our site, Mike, Corey, or our awesome team of Beat Writers.

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Latest Destinations

The Biggest Urban Pygmy Cormorant Roost is Finally Protected!!

The Biggest Urban Pygmy Cormorant Roost is Finally Protected!!

A Year of Birding in Costa Rica- Highlights and a Few Birds Missed

A Year of Birding in Costa Rica- Highlights and a Few Birds Missed

Casa Tangara dowii, Costa Rica: to claim our feathery gold

Casa Tangara dowii, Costa Rica: to claim our feathery gold

Highlights from the 2022 Arenal Christmas Count in Costa Rica

Highlights from the 2022 Arenal Christmas Count in Costa Rica

Casa Tangara dowii, Costa Rica, or over the Misty Mountains cold

Casa Tangara dowii, Costa Rica, or over the Misty Mountains cold

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