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 ...

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.

Many types of birds — such as hummingbirds, peacocks and parrots — are vividly colorful, but birds-of-paradise are especially flamboyant with hues of emerald, lemon, cobalt and ruby. Now, research has ...

While humans have three color cones in the retina sensitive to red, green and blue light, birds have a fourth color cone that can detect ultraviolet light. A research team trained wild hummingbirds to ...

When a white or almost white bird lands in your backyard, it’s tempting to automatically say that it’s an albino — once you’ve ruled out the unlikely great egret or snowy owl. For avian color oddities ...

I’m not sure how it's possible for summer days to feel endless yet so limited and finite. We have gone entirely through June and midway through July! From a birding and photography standpoint, June ...

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 ...