Tim Fitzharris / Trumpeter Swan (Cygnus buccinator) flock flying, Arkansas
Ingo Arndt / Cheetah (Acinonyx jubatus) male walking by Burchell's Zebra (Equus burchellii) herd, Masai Mara, Kenya
Wim van den Heever / Blue wildebeest (Connochaetes taurinus) herd silhouetted against the rising sun with clouds in the background. Greater Kruger National Park, South Africa
Jeff Vanuga / White horses of the Camargue galloping through marshes in the Camargue, France. April.
Donald M. Jones / Snow Goose (Chen caerulescens) group flying, central Montana
Donald M. Jones / Elk (Cervus elaphus) bull and harem of females and calves along river, Athabasca River, western Canada
Hiroya Minakuchi / African Elephant (Loxodonta africana) mother and calf, Amboseli National Park, Kenya
Hiroya Minakuchi / African Elephant (Loxodonta africana) herd walking, Amboseli National Park, Kenya
Anup Shah / African Elephant (Loxodonta africana) herd, Masai Mara, Kenya
Jordi Chias / Bryde's whale (Balaenoptera edeni) and Common dolphins (Delphinus delphis) chasing small fish offshore. Santa Maria Island, Azores, Atlantic Ocean. Third Place in the Underwater Category of the Por El...
Suzi Eszterhas / Harbor Seal (Phoca vitulina) group on ice floes, Prince William Sound, Alaska
Pal Hermansen / Inuit sled dogs resting, near Ittoqortoormiit, Scoresbysund, Greenland. Second Prize in the Nature category of the Spider Black and White Photography Competition 2015.
Staffan Widstrand / Hippopotamus (Hippopotamus amphibius) bull emerging from water to charge, iSimangaliso Wetland Park, KwaZulu Natal National Park. South Africa. Specially commended in the Animal Portraits category of...
Bence Mate / Great egrets (Ardea alba) and Grey heron (Ardea cinerea) squabbling over fish, with some in flight. Blurred motion photograph, Lake Csaj, Pusztaszer, Hungary. February.
Thomas Marent / Gelada Baboon (Theropithecus gelada) male and females huddling for warmth, Simien Mountains National Park, Ethiopia
Alex Mustard / Group of predators hunting together, in an example of 'Nuclear foraging'. The Moray eel (Gymnothorax javanicus) flushes out prey, and is followed by a Napolean wrasse (Cheilinus undulatus) and a Bluef...
Pascal Pittorino / Corsican pig (Sus scrofa domestica) sow, suckling the piglets, Parc Naturel Regional de Corse / Natural Regional Park of Corsica, Corsica Island, France. September.
Cyril Ruoso / Ringed-tailed lemur (Lemur catta) foraging in sisal field looking for flowers during a poor year without much fruit. Berenty reserve, Madagascar, September.
Cyril Ruoso / Keeper feeding Common woolly monkeys (Lagothrix lagotricha) in Ikamaperou Sanctuary, Amazon, Peru. October 2006.
Cyril Ruoso / Vicuna (Vicugna vicugna) herd in Altiplano, Aguada Blanca National Reserve, Peru.
Staffan Widstrand / Kittiwakes (Rissa tridactyla) nesting on wall of house, Vardo town, Varanger Peninsula, Norway, March.
Sven Zacek / Four Roe deer (Capreolus capreolus) bucks with velvet antlers and the shadow of a fifth buck, Tartumaa, Estonia, March.
George Sanker / American buffalo (Bison bison) with group of calves, Yellowstone National Park, Wyoming, USA. May.
Andy Rouse / Magnificent frigate bird (Fregata magnificens) group flying against cloudy sky, Galapagos.
Roger Powell / Small flock of Brent Geese (Branta bernicla) in flight..Texel Island, The Netherlands, Europe
Staffan Widstrand / Wild Wonders of China / Crested myna starlings (Arcidotheres cristatellus) sitting on domestic waterbuffaloes (Bubalus domesticus), Poyang Ho Lake, Jiangxi province, China
Chris & Monique Fallows / Long-beaked common dolphin (Delphinus capensis) school near the water?s surface, False Bay, South Africa
Chien Lee / Red Stink Bug (Pycanum rubeus) hatchlings cluster to amplify the effect of their aposematic warning coloration, Malaysia
Espen Bergersen / Kittiwakes (Rissa tridactyla) squabbling on ice. Svalbard, Norway. July
Denis-Huot / African elephant (Loxodonta africana) herd eating, Masai-Mara Game Reserve, Kenya
Ole Jorgen Liodden / Galapagos penguin (Spheniscus mendiculus) group underwater, Galapagos. Endemic.
Pete Oxford / Galapagos Sea Lion (Zalophus wollebaeki) group resting on beach, Gardner Bay, Hood Island, Galapagos Islands, Ecuador
Pete Oxford / Galapagos Penguin (Spheniscus mendiculus) group swimming, Galapagos Islands, Ecuador
Erlend Haarberg / Arctic fox (Alopex lagopus) cubs looking curiously, Dovrefjell-Sunndalsfjella National Park, Norway, July.
Michael Quinton / Northern Flicker (Colaptes auratus) entering nest cavity with chicks, Alaska
Michael Quinton / Northern Flicker (Colaptes auratus) entering nest cavity with begging chicks, Alaska
Michael Quinton / Northern Flicker (Colaptes auratus) parent brooding chicks in nest cavity, Alaska
Michael Quinton / Northern Flicker (Colaptes auratus) eggs in nest cavity, Alaska
Sergey Gorshkov / Impala (Aepyceros melampus) herd running, Sabi-sands Game Reserve, South Africa
Donald M. Jones / Snow Goose (Chen caerulescens) group flying, central New Mexico
Kristel Richard / Band of wild Mongolian horses running on plains at the foot of Dungurukh Uul mountain, near the border with China and Kazakhstan, Bayan-Olgiy aymag, Mongolia. September.
Alex Mustard / Oceanic whitetip shark (Carcharhinus longimanus) accompanied by pilotfish (Naucrates ductor) as it cruises beneath the surface of the Red Sea, close to Little Brother Island. The Brothers Islands, Egy...
Markus Varesvuo / Black kite (Milvus migrans) flying and red-crowned crane (Grus japonensis) on snow, Hokkaido, Japan, February.
Jussi Murtosaari / Goldeneye (Bucephala clangula) with chicks swimming behind, Helsinki, Uusimaa, Finland, May.
Andy Rouse / Chinstrap penguin (Pygoscelis antarcticus) group on blue iceberg, Antarctica
Denis-Huot / African elephant (Loxodonta africana) herd at sunset, Masai-Mara Game Reserve, Kenya. January.
Denis-Huot / African elephant (Loxodonta africana) herd walking in the plains during the dry season, Masai-Mara Game Reserve, Kenya. October.
Hiroya Minakuchi / Orca (Orcinus orca) pod surfacing, Prince William Sound, Alaska