Drones flying above the waters of Shetland have captured rare footage of harbor porpoises gathering in unusually large groups and engaging in mating behavior. The footage, gathered between 2019 and ...

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.

A new study sheds light on the illuminating, sometimes counterintuitive dynamics of mating and how species survive.

The goldfish are breeding and the spawning behavior is incredible to watch. In this video, you’ll see how goldfish begin the breeding process, from chasing behavior to egg laying and fertilization. If ...

Domestic pigs reproduce through a breeding process that is closely managed on farms around the world. During mating, a male pig, known as a boar, mounts the female, called a sow, in a behavior driven ...

Each February, crowds gather at Gobbler’s Knob in Pennsylvania to watch Punxsutawney Phil predict the weather. In 2026, the famous groundhog saw his shadow, which tradition says means six more weeks ...

From purring to the zoomies, almost all of your cat's quirky behaviors have logical explanations.

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

Humans don’t have a defined mating season like deer or wolves. Here’s how evolution blended biology, culture and social life into year-round intimacy.

Nobody has ever known where tiger sharks go to mate. But new data suggests there’s one Hawaiian spot that draws a big ...

Older male whales are more successful at mating than their younger rivals because they are better singers, suggests new ...