Ammonite / Water buffalo (Bubalus arnee) chasing Sri Lankan leopard (Panthera pardus kotiya) near a waterhole, footage taken at night using thermal camera technology, Yala National Park, Sri Lanka.

John Cancalosi / Western diamondback rattlesnake (Crotalus atrox) using rattle as defensive warning, Sonoran Desert, Arizona, USA

John Cancalosi / Western diamondback rattlesnake (Crotalus atrox) using rattle as defensive warning, Sonoran Desert, Arizona, USA

Ammonite / Two male Chital deer (Axis axis) rutting, with a third interacting with a female, Yala National Park, Sri Lanka.

Ammonite / Two male Chital deer (Axis axis) rutting, with herd grazing in the foreground, Yala National Park, Sri Lanka.

Ramon Navarro / Little owl (Athene noctua) perched on a tree branch looking around, showing neck rotation, attacked by a Golden Oriole (Oriolus oriolus), Seville, Spain, July.

Jabruson / Two juvenile African forest elephants (Loxodonta africana cyclotis) play fighting, Dzanga Sangha Special Forest Reserve, Central African Republic. Sequence 1/3