American bison, by contrast, have a long, shaggy coat covering their front quarters, front legs and heads, light or dark ...

Not all fish play by the same reproductive rules. Evolutionary biology reveals how deception became a successful mating ...

Beyond the binaries of gay and straight, male and female lies a broad spectrum of identities. (All are real and valid, despite what certain executive orders or conservative talking points would have ...

Hiking in the Centennial State offers a two-for-one deal if you want to see some of North America’s largest land mammals. Moose and elk are plentiful in Colorado, and you can see each when you hike.

A new study on mayflies of the genus Ecdyonurus illustrates just how multifaceted and surprising reproductive behavior in ...

A new study reveals that behavioral isolation between populations of Bahamas mosquitofish is driven primarily by the actions of females - not just ...

A new study reveals that behavioral isolation between populations of Bahamas mosquitofish is driven primarily by the actions of females—not just through mating choice behaviors, but also through ...

A new study reveals that behavioral isolation between populations of Bahamas mosquitofish is driven primarily by the actions of females – not just through mating choice behaviors, but also through ...

Scientists suggest female frogs listen for changes in the male calls as a signal for when it's warm enough to mate.

The study, carried out by the University of California, Davis (UC Davis), shows that during the cold early days of spring, male frogs sing slow, sluggish, and less energetic songs.

Colostrum, housing, and vaccination protocols have improved greatly in recent decades. Yet calves still get sick. What research has shown is that each animal also has a genetic component to illness, a ...