Bret Charman / Red deer (Cervus elaphus) stag standing on heathland at sunset during autumn rut, Ober Heath, New Forest, Hampshire, UK. October.

Bret Charman / Steller's sea eagle (Haliaeetus pelagicus) coming in to land, Rausu, Hokkaido, Japan.

Bret Charman / Platypus (Ornithorhynchus anatinus) swimming on surface of small lake, Tasmania, Australia.

Bret Charman / Chestnut-naped antpitta (Grallaria nuchalis) perched on mossy log, Jardin, Colombia.

Bret Charman / Rainbow-bearded thornbill (Chalcostigma herrani) perched on branch in the scrub of Nevado del Ruiz, Manizales, Colombia.

Bret Charman / Two African bush elephants (Loxodonta africana) juvenile males, sparring, Mara Triangle Conservancy, Masai Mara, Kenya. Endangered.

Bret Charman / Three Japanese macaques (Macaca fuscata) juveniles, play fighting, Yamanouchi, Japan.

Bret Charman / Humpback whale (Megaptera novaeangliae) pod, bubble-net feeding at water surface, Tebenkof Bay, Alaska, USA. July.

Bret Charman / Japanese macaque (Macaca fuscata) emerging from thermal pool, Jigokudani, Yamanouchi, Japan.

Bret Charman / Waterbuck (Kobus ellipsiprymnus) male, standing in long marshland grass, Mara Triangle Conservancy, Kenya.

Bret Charman / Hooded mountain tanager (Buthraupis montana) perched on mossy branch, Nevado del Ruiz, Colombia.

Bret Charman / Japanese macaque (Macaca fuscata) sitting in warm waters of a hot spring, Jigokudani, Yamanouchi. Nagano Prefecture, Japan.