Clipart illustrations of bird anatomy, including skeleton diagrams, arteries, digestive system, eggs, feathers, and both internal and external diagrams. From the class Aves, birds are thought to be the descendants of theropod dinosaurs, and have about 25 orders.
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Woodpecker Tongue
This illustration shows the special development of tongues of woodpeckers; a, skull of flicker, showing root of tongue extending to tip of bill; b, head of hairy woodpecker, showing root of tongue cur... |
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Woodpecker Tongue
An illustration of a woodpecker's tongue. The long sticky tongues, which possess bristles, aid these birds in grabbing and extracting insects deep within a hole of a tree.... |