Typically, male birds have more vivid colours than females. As Charles Darwin first explained, the most colourful males are ...

Hidden layers of colour in the plumage of tanagers and some other songbirds explain what makes them so eye-catching ...

Sometimes dubbed the Brazilian Serengeti, the Brazilian Pantanal contains the highest concentration of wildlife in South ...

A growing body of evidence suggests she might have survived into old age — which would entirely change the story of America’s ...

I wish I'd known years ago that my ability to sleep well might have an expiration date. I used to be so good at it. In those ...

Less famous but just as unforgettable, these state parks showcase iconic landscapes without the long lines at America’s national parks.

Stretching 710 miles across Texas, the Trinity River is a vital habitat for a diverse variety of wildlife. With its forests, floodplains, and steady water supply, it’s an especially ideal habitat for ...

A large flock of thirty or more “peeps,” which is an all purpose term for small brown shorebirds, is flying close to shore.

Mirasaura grauvogeli had a featherlike crest and a tail like a monkey. “It's been a long time since I've been so blown away by a new fossil discovery.” ...

Readers share photos of gray bird species that live across America. Learn about the variety of gray colored birds you should know.