A male blue-winged warbler. Long-distance bird migration is one of the natural world's most inspiring phenomena-but the story of how we know what we know about bird migration is almost as amazing as ...

An American Yellow Warbler, a kind of small songbird, standing on grey volcanic rock on the Galapagos Archipelago, Ecuador.© Chris Watson/Shutterstock.com Every winter, the National Audubon Society’s ...

Birds' eyes differ dramatically from ours, and the difference directs lifestyle. Birds have huge eyes, proportionately larger than mammals'. Some birds' eyes equal or outweigh their brains, like ...

Birds are a significant part of the wildlife in the ecosystems of Eagle County and around the world. eBird data shows that there have been 290 bird species recorded in Eagle County. The mission of the ...