Image: The Ultimate Bird Drawing Throwdown Showdown Graphic featuring images of David Sibley and H. Jon Benjamin

Join BirdNote tomorrow, November 30th!

Illustrator David Sibley and actor H. Jon Benjamin will face off in the bird illustration battle of the century during BirdNote's Year-end Celebration and Auction!

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Cinereous Mourner chick

© Dano Grayson

In its nest, a Cinereous Mourner chick looks and moves like a toxic moth caterpillar, a protective adaptation known as Batesian mimicry.