A male cock pheasant detail of feathers

Yellow-crowned Night Heron (Nyctanassa violacea), Sanibel Island, J.N. Ding Darling National Wildlife Refuge, Florida, USA

Two Collared aracari (Pteroglossus torquatus) sitting on a mossy branch, Costa Rica

Water buck, Kobus ellipsiprymnus, in dry bush, Chobe National Park, Botswana, Africa

Water buck, Kobus ellipsiprymnus, in dry bush, Chobe National Park, Botswana, Africa

Adult brown bears (Ursus arctos) foraging for salmon at the Brooks River, Katmai National Park, Alaska, United States of America

Adult harlequin duck (Histrionicus histrionicus) in full breeding plumage in the calm waters of Lake Myvatn, Iceland

A rare adult melanistic king penguin (Aptenodytes patagonicus), returning from feeding at sea tin Fortuna Bay, South Georgia, Polar Regions

Young woman working at Gator Country Wildlife Adventure Park, Beaumont, Texas, United States of America

White-faced saki (Pithecia pithecia), Rainforest Pyramid, Moody Gardens, Galveston island, Gulf of Mexico, Texas, United States of America

Yellow Crowned Night Heron (Nyctanassa Violacea), wading bird of the Americas that feeds on crustacea, Bermuda, Atlantic

Two Brown-hooded Parrots (Pyrilia haematotis) sitting on a branch, Costa Rica

Water buck, Kobus ellipsiprymnus, in dry bush, Chobe National Park, Botswana, Africa

Water buck, Kobus ellipsiprymnus, in dry bush, Chobe National Park, Botswana, Africa

Adult white-beaked dolphin (Lagenorhynchus albirostris) surfacing in the Svalbard Archipelago, Norway

Adult Atlantic puffin (Fratercula arctica) during breeding season on tiny Grimsey Island, Iceland

Adult humpback whale (Megaptera novaeangliae), head-lunging in the fjord of Isfjardardjup, Iceland

Alligators feeding, Gator Country Wildlife Adventure Park, Beaumont, Texas, United States of America