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Molting Northern Cardinal showing large ear cavity Read more

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Bird Ears
Molting birds offer a glimpse of ear cavities usually hidden by feathers; but their most secret is found deep in the inner ear.
Willow Flycatcher and Alder Flycatcher Read more

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Cryptic Species
Researchers are uncovering cryptic species, those birds which may look the same, but are reproductively separate.
Great Tit Read more

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Phenology
Phenology is the timing of nature's cyclical events, and a warming climate requires big, life-threatening changes for birds.
Little Swift Read more

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Swifts
Swifts are the high flyers of the bird world, spending most of their time airborne.
Towhee showing his rufous, black, brown and white feathers Read more

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Evolving Colors
Research on feather coloration tries to understand: Which came first, the colored vision or colored feathers?
Kingfisher about to dive into the water Read more

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Biomimicry
Engineers use biomimicry to improve their designs, borrowing what they learn from birds to solve human problems.