Sloths are some pretty interesting animals. Beyond their reputation for being slow, a host of different traits reveals a lot about their evolution and behaviors. Take for example their mating calls.

Scientists found a neon creature with “velvety” skin and red hands in an Ecuador rainforest and discovered a new species, a study said. Photo from Amadeus Plewnia via Plewnia, Terán-Valdez, Culebras, ...

Love is complicated enough for humans, but in the animal kingdom, courtship can get downright bizarre as you’re about to see in the videos of the strangest animal mating rituals below. From underwater ...