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

(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 ...

Australian researcher Dr. Hugo Lassauce caught a rare moment between three endangered leopard sharks. The University of the Sunshine Coast (UniSC) marine biologist documented footage of two male ...

Add Yahoo as a preferred source to see more of our stories on Google. The video is believed to be the world’s first observation of leopard sharks mating in the wild. - Hugo Lassauce/UniSC/Aquarium des ...