Pumas in Patagonia, Argentina are eating penguins in a national park — and it's changing how the big cats are interacting with each other.

Just in time for the holidays, a new feline has landed at the Santa Barbara Zoo. Layan (pronounced LAY-in), a 9-year-old male snow leopard, has arrived from the Idaho Falls Zoo. The arrival is part of ...

Credit: UniSC/Dr Hugo Lassauce/Cover Images A marine biologist has captured on camera a leopard shark mating sequence in the wild for the first time, offering rare insights into the behaviour of this ...

Marine biologists have documented the first-ever “in the wild” observation of endangered leopard sharks copulating, and were surprised to catch not just two sharks in action, but three. The intimate ...

(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 ...