Combine big dark eyes, a tall body, beautiful feathers that perfectly mirror a tree branch, an enormous mouth, and a loud, ...

A 12-million-year-old fossil has revealed what may be the largest known "terror bird" ever found, according to paleontologists.

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

In Colombia, a fossil-collecting rancher has found a giant, flightless killer from 13 million years ago — and a missing link ...

Birds are migrating every day of the year, and it is dependent upon wet and dry seasons in Costa Rica, especially for those ...

Fossil skeleton of Paraphysornis, a member of the extinct terror bird family. While this specimen is not the one analyzed in ...

The avian flu has already infected wild birds, poultry and dairy cows in the San Joaquin Valley. Now a pig in Oregon has the ...

Ornithologist Ana Gonzalez studies migration patterns and works with local scientists to protect threatened birds.

Researchers including a Johns Hopkins University evolutionary biologist report they have analyzed a fossil of an extinct ...

Here’s the Central Texas bird forecast for the month, courtesy of Travis Audubon. Learn more about Central Texas birds and bird-related events for all ages at travisaudubon.org or by calling 512 ...

Today is both Halloween and the last day of Bat Week, which makes it the perfect day to admire beautiful bats like these four ...

While past terror bird fossils placed the meat-eating birds at 3 to 9 feet tall, new findings suggest that some were even ...