Terror birds were apex predators some 12 million years ago in South America. A newly published discovery could be the largest yet.

The two-volume work “ID Handbook of European Birds” by Nils van Duivendijk was released on Oct. 22. The book comprises 1,056 ...

Swarovski Optik’s new AX Visio binoculars use image-recognition algorithms and GPS data to discern the species of whatever ...

As bird populations dwindle across the globe, a new study from University of Vermont researchers suggests some species may be ...

The mostly flightless, meat-eating dinosaur descendents were the size of dogs at their smallest, but the largest known ...

Some 350 hummingbird species make their home in North and South America. Brightly colored and incredibly fast, these tiny birds can hover in mid-air and even fly sideways and backward. Here are 10 ...

Two plush-crested jay chicks can now be seen at the aviary at the Milwaukee County Zoo. Although the chicks ...

Researchers including a Johns Hopkins University evolutionary biologist report they have analyzed a fossil of an extinct giant meat-eating bird—which they say could be the largest known member of its ...

A common way ecologists predict population counts may be an unreliable way of forecasting future bird counts in urban areas, ...

A massive terror bird fossil, the largest of its kind, was recently uncovered in Colombia’s desert—shedding light on ancient ecosystems.