The birds were eliminated when the invasive brown treesnake was accidentally introduced to the island of Guam in the ’40s.

The first wild eggs of an endangered bird have been laid for the first time in almost four decades, and the Cincinnati Zoo & ...

The Sihek is among the most endangered bird species in the world. Conservationists hope to release more Siheks into the wild ...

The Lesser Prairie-Chicken Landowner Alliance aims to earn money while preserving habitat for the endangered bird.

The study, conducted by a team of researchers, analyzed climate data from 1850 to 2005 in relation to 1,471 bird species worldwide. Factors such as brain size, body size, population, and climate ...

There are two species of streamertail hummingbirds on the island of Jamaica, West Indies—one with red-billed males (Trochilus ...

According to the Pennsylvania Game Commission, “urbanization is robbing the hummingbirds of habitat in Pennsylvania and ...

Ruby throated hummingbirds have been spotted arriving north in Michigan for the season, in the southern part of the state's ...

H5N1 bird flu has now crossed into U.S. dairy cattle for the first time, and alarmingly, it did so through just one spillover ...

A White-necked Jacobin chick may use mimicry or camouflage to avoid predators, resembling a caterpillar with fluffy feathers.

From Mexico to the mountains, Arizona’s hummingbirds are on the move. Here's when and how to spot them in Arizona.