Scientists have recorded same-sex behavior across many animal groups, including mammals, birds, and reptiles. Still, the meaning of that behavior depends on the species and the context. Behavior that ...

SAN DIEGO — For the first time ever, researchers have captured video of three endangered zebra sharks mating in the wild in the South Pacific, providing scientists worldwide with unprecedented ...

Late winter is mating season for several animals, and that means more movement, bolder behavior, and a lot more unexpected ...

Quick Take With sloths, the females are the ones responsible for mating calls. Three-toed sloth mating calls are often ...