Researchers believe the discovery could be the key to identifying other ancient bird species.

BIRDS
"Predictably Philandering Females Prompt Poor Paternal Provisioning"
A study found that adult zebra finches speak differently to baby birds than they do to one another, and that their repetitive language seemed to help the young birds learn to sing.
Ecosystems and humans alike rely on vultures, and not only because otherwise we'd be knee-deep in carcasses.
Neanderthals may have accessorized with raptor feathers and talons—and, according to new research, they went through great pains to do so.
The beak’s unique shape lets the birds use tools without blocking their vision.
The gene associated with feathery feet is also known for creating forelimbs—and in birds, this means wings.
A new exhibit at the American Museum of Natural History argues that birds are just another kind of dinosaur.