Not all brightly colored birds are in the tropics. The U.S. has its own fair share of colorful avian friends and you can even ...

Cities are strange ecosystems. For most creatures, they’re harsh, unforgiving places. But some have managed to not just survive, but even thrive in urban environments. That said, even those that ...

How rare a Gouldian Finch ? Gouldian Finches are Australia's most spectacularly colored grass finches, and are perhaps the ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Many types of birds ...

EVANSVILLE, Ind. — Birds perform amazing feats. They fly, not just across the yard but across continents. They build nests, each so distinctive that construction and location identify the builder.

From tiny hummingbirds sipping nectar from blossoms to majestic bald eagles soaring high in the sky, birds are endlessly fascinating and can inspire a deep love of nature. But not everyone has equal ...

During his notable trip to the Galápagos Islands, Charles Darwin collected several mockingbird specimens on different islands in the region. He later discovered that each island only contained a ...

Birds' feathers, or plumage, are some of the most strikingly variable animal characteristics that can be observed by the naked eye. The patterns that we see in birds' feathers are made up of intricate ...

The color vision of birds stops working considerably earlier in the course of the day than was previously believed, in fact, in the twilight. Birds need between 5 and 20 times as much light as humans ...