Of all the vertebrates on Earth—that is, animals with backbones—birds are the only ones that lay colorful eggs. Scientists are still unsure why, but new research brings us a step closer to finding out ...

Nature produces some truly extravagant costumes, and birds have evolved more than their fair share of dazzling outfits. Often, it's the male birds that steal the show with bold colors and unfurling ...

Songbirds that dwell in tropical regions closer to the equator are more colourful than those living in milder climates. The findings support the idea that tropical animals are generally more colourful ...

Urbanization has a huge impact on the ecosystem and poses enormous challenges to animals and plants. The ongoing, worldwide increase in urbanization is considered one of the main causes of the steady ...

The redder, the better. And I’m not talking about beets, roses or presidential candidates. I’m talking birds. Well, some birds. In various species, red coloration in a male’s feathers or beak is an ...

The rainbow of hues seen in modern bird eggs probably evolved in birds' dinosaur ancestors, which had eggs with colorful and speckled shells. That's according to a new study of fossil eggs in the ...

The long-held idea that birds living near the equator are more colorful than those living closer to the poles is true, suggests a recent study Paradise Tanager (Tangara chilensis). The sexes look ...

Out in the Pacific Ocean, 620 miles off the coast of Ecuador, lies a chain of volcanic islands that harbor some of the most diverse and unique animal species on the entire planet. The Galapagos ...

Dinosaurs laid colorful eggs. Birds lay colorful eggs. You do the math. But really though: A study from last year found that oviraptors, a dinosaur of the late Cretaceous period, laid blue-green eggs, ...

Tropical birds are well known for their colorful appearance: vibrantly colored macaws, parakeets and parrots are widely considered to be the quintessential birds of this region. The popularity of ...

There’s nothing quite like the simple joy of watching colorful birds flock to your backyard feeder. But then, a familiar foe ...

In Hawaii's Kauai island, the native forest birds are in peril. Once considered a paradise for the colorful songbirds, the island has lost more than half of those native species. What's happening on ...