Fossilized footprints and tracks dating back 50 million years ago discovered at the John Day Fossil Beds National Monument ...

Large bird brains and ranges are insufficient in the fight against climate change. Learn the species of bird susceptible.

If birds left tracks in the sky, what would they look like ... “In winter the starlings gather in large groups,” says Bou, who took this photo in the agrarian village of Arbeca, Spain.

The majority of the Laetoli footprint site ... trapping footprints. Birds and mammals left a great number of prints, but, spectacularly, so did a pair of hominids, one large and one small ...

Experts detect tracks made by an extinct bird, and further examination provides insights into that particular bird's features ...

A team of scientists found prehistoric animal footprints that indicate how creatures behaved in Oregon as far back as 50 ...