Listen: Greater Rhea Nests Are Filled With Dozens of Whistling Eggs

— Males of this huge South American species mate with several partners, resulting in exceptionally large—and musical—clutches.

Snow Caves Keep Ptargimans Cozy on Cold Winter Nights

— When temperatures plummet, some northern birds create burrows to take advantage of snow's natural insulation.

Why Great Horned Owls Start Nesting in the Winter

— When many other birds head south for warmer weather, these raptors pair up and hunker down.

Listen to Audubon's President on Why Bird Conservation Matters

— David Yarnold shares some of his favorite birding moments and how they moved him.
Common Raven. Lukasz Lempart/Audubon Photography Awards

How Black Feathers Keep Ravens Cool

— Surprisingly, lighter plumage isn't necessarily better in hotter climates.

The Long, Surprising Journey of the Domestic Wild Turkey

— Hailing from Mexico, these birds traveled abroad before eventually landing back on North American shores.

These Birds Need Their Personal Space

— Bald Eagles, Gyrfalcons, and other birds of prey keep to themselves, with some pairs maintaining a nesting territory roughly the size of Chicago.

Anna’s Hummingbirds Are Expanding Their Range With Human Help

— Once restricted to southern California and the Baja Peninsula, the species' success is tied to an increase in flowery landscaping and nectar feeders.
Blue Jay. Harrison Martin/Audubon Photography Awards

How Well Do You Know the Blue Jay?

— There's a lot more to these birds than being feeder bullies.

This Parrot Is Smaller Than a Hummingbird

— With more than 350 species, the world's parrots really do come in all shapes and sizes.