We do this every day with domesticated species such as dogs or horses: They help us find something or carry us somewhere, and, in return, we provide them with food and shelter. In biological terms, ...
ITHACA, N.Y. – Small birds have explored a wide variety of styles of flight, ranging from hovering hummingbirds to bounding sparrows to soaring swifts and swallows. A new Cornell University study ...
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