What Does a Hackberry Emperor Look Like? What type of butterfly is this? asks reader Andrea Rickard of Helena, Ohio. Kenn and Kimberly Kaufman say, “This is a good view of the intricate pattern on ...

A rare Triassic fossil site reveals North America's oldest known pterosaur, Eotephradactylus mcintireae, in what was once a ...

In this YouTube video, a cicada sits on a leaf and, over the course of two hours, sheds its old self via molting. Molting is ...

Normally when I go out to capture an animal in distress, I must rely on myself. Calls rarely come in when several people are ...

Purple martins are gorgeous backyard birds, known for their iridescent feathers and mid-sky acrobatics. As North America’s ...

The most prevalent colors of animals in nature are brown, black, and grey. These colors are important for protection and ...

They bite, excrete acid, asphyxiate their prey and create huge super colonies that are hard to kill. What to know ...

A study published in Science Advances provides a comprehensive phylogenetic and phylogeographic analysis of the North American outbreak of highly pathogenic avian influenza A (H5N1), which was ...

Tompkins County in New York State is arguably the best birded county in North America. Cornell University, with its Cornell ...

I can trace my personal descent into what science journalist Ed Yong calls “ birder derangement syndrome ” back to when I ...

JOLANDA DI SAVOIA, Italy (AP) — An unusual pest is ravaging crops and irking farmers in northeastern Italy: the flamingo.

On July 1, Lukas Le Grice, 16, led the fourth annual Ojai Valley Summer Bird Count.