Female snow leopard (by Tambako the Jaguar)

Komodo dragon at London Zoo (by ge’shmally)

Hyena (by Rob Schleiffert)

Mouth of a saltwater crocodile (by Spectacular Jumping Crocodile Cruise)

A white-backed vulture watches a spotted hyena as it wanders away from the carcass of a zebra.

Photo by Charlie Hamilton James

Caiman with a lungfish (by Richard Denyer)

Colchester Zoo hyenas (by nicknack68)

Crocodiles (by rabinovitsch)

Komodo dragon (by escapethecrowds)

Lioness takes down a zebra (by Richard Denyer)