For a few fleeting weeks each winter, the famously elusive cats emerge from solitude, calling across the mountains in search of a mate.

Kaboso female leopard and Olapa male leopard have a brief flirtation and quick mating session before both move downstream. Always opportunistic, Kaboso spotted a hare in the long grass and proceeded ...

(CNN) — Endangered leopard sharks have been observed mating in the wild for the first time, with scientists witnessing a “threesome” involving two males and a female. The encounter was filmed by Hugo ...