Birds are some of nature’s most ... Male Western Tanagers resemble flames, with fiery orange-red heads, bright yellow chests, ...

The striking black-and-yellow western tanager, with its bright red head, is one of the more characteristic summer species of western pine forests. Although brightly plumaged, it can be quite ...

A large vireo, the red-eyed is one of the most common songbirds in eastern woodlands. It moves sluggishly through the canopy of broadleaf forests, making it hard to detect, and often picks food by ...

Scientists say the yellow coloring on the bird is connected to lacking proteins, or enzymes. “It’s actually two enzymes. It ...