"They call them wild animals for a reason." Video shows tourists' reckless actions near massive wild animal: 'No fear or ...

Wildlife experts believe the behavior may have been connected to mating. Definitely not something you'd want to interrupt.

Here are 10 animals that have some of the highest levels of testosterone and the impact it has on their behavior and characteristics.

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

The female wolf of the mating pair for the King Mountain pack has died, bringing total fatalities to 14 out of the 25 animals reintroduced in Colorado. The wolf, identified as No. 2310, was among the ...

Bone claws, oxygen-absorbing “hair,” and hands-on frog dads. Meet the hairy frog (or wolverine frog), one of nature’s strangest amphibians.

Scientists are leveraging behavioral ecology, genetics, and neurobiology to understand how animals adapt to climate change ...

Male green treefrogs attract mates with loud calls, but new research shows parasites can subtly change those signals.

IRENE, S.D. (KELO)– The city of Irene is urging residents to stop feeding wild turkeys after a noticeable increase of the ...

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

Sandhill cranes that have flocked to Jasper-Pulaski Fish and Wildlife Area have discovered Indiana Dunes National Park’s Great Marsh.