Blue-and-green jay hybrid is turning heads in San Antonio, Texas, after weather-driven habitat shifts brought 2 species ...

A global study reveals sexual selection influences life expectancy differences between sexes in mammals and birds, reshaping ...

Young men, you have more control than you think. You don’t need to be rich or famous or genetically gifted. You just need to ...

"If it had gone two houses down, probably it would have never been reported anywhere." Experts stunned after capturing ...

Across 1,000 species, males die younger than females—even in zoos. A global study shows biology, not just lifestyle, drives ...

A riverside tract that includes wetlands, forest and colorful native plants also attracts a sky full of birds.

The last pair — a breeding male and female — were killed by hunters in 1844 while defending their egg, researchers said.

A new analytical method is revealing how conservationists can further boost breeding programs dedicated to saving some of the ...

Sexual behavior is one reason why female mammals typically live longer than their male counterparts, according to a new study.

Peacock males display their magnificent plumage, lion males fight bloody battles for a pride–and both pay for it with years ...

Your lawn is full of holes, scratch marks, and large bird-like footprints. What kind of large avian pest are you dealing with ...