Birds that feed on nectar or fruit evolved better mechanisms for managing metabolism, blood pressure and high glucose.

WASHINGTON (AP) — Billions fewer birds are flying through North American skies than decades ago and their population is ...

A new study finds North American bird populations keep dropping, and that decline is accelerating for many species.

Hummingbirds are fascinating little birds found all over the Americas. They are known for their beautiful colors, aerial ...

The accelerating decline of birds is a bellwether of far deeper biodiversity crisis — one that threatens not only beloved species but the humans who live alongside them.

Building a new bird house is great and all, but if you installed it without considering these important tips, you might have a perpetually empty nest.

Bird like hummingbirds consume sugar all day long without getting diabetes or heart disease. Scientists just figured out how.

BUENA VISTA COUNTY, Iowa — Officials have identified Iowa's sixth case of bird flu this year, marking the fourth case of the ...

Anyone who has seen a hummingbird poking her beak deep into a trumpet creeper blossom, or a honeyeater using its brush-tipped ...

A new study finds North American bird populations keep dropping, and that decline is speeding up for many species.

The state department, alongside the USDA, said the new case was detected in a multi-species backyard flock in Washington County. The case marks Iowa's fifth of the year. In comparison, 10 detections ...

The trial will involve immunising a small group of turkeys against H5N1 bird flu under the supervision of DEFRA ...