A prehistoric feathered throwback that stands five feet tall, this apex predator easily swallows its younger siblings, and ...

Throughout the night, great potoos emit a loud, moaning growl that has earned the bird a mythical status, with some ...

The massive annual spring migration of America's birds – millions of them – is underway. Here's how to follow along at home.

The birds spend most of their lives in the open ocean. Observing birds at sea is nearly impossible, so much about puffins remains a mystery. Ecologists like Erpur Snær Hansen, who leads a team at the ...