Leaping pink salmon (Oncorhynchus gorbuscha) gathering to spawn at Lake Eva on Chichagof Island, Alaska, United States of America, North America

Adult black-legged kittiwake (Rissa tridactyla) in aerial combat against another kittiwake near Alexander Island, Russia, Eurasia

Black-browed albatross (Thalassarche melanophrys) nesting site on West Point Island, Falklands, South Atlantic Ocean, South America

Adult female kelp goose (Chloephaga hybrida) in the Falkland Islands

Striated caracara (Phalcoboenus australis) on New Island in the Falkland Islands

Camel caravan in the Tibesti Mountains, Chad

Adult dovekie (Alle alle alle) breeding area on the island of Bolscheoya in the Svalbard Archipelago, Norway

Adult Svalbard reindeer (Rangifer tarandus platyrhynchus) grazing within the town limits of Longyearbyen, Svalbard, Norway

Brunnichs guillemot (Uria lomvia) pair taking flight at Cape Fanshawe in the Svalbard Archipelago, Norway

Brunnichs guillemots (Uria lomvia) in flight at Cape Fanshawe in the Svalbard Archipelago, Norway

Adult Swallow-tailed gull (Creagrus furcatus) in flight in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America

Adult arctic tern (Sterna paradisaea) male bringing female a fish, Spitsbergen Island in the Svalbard Archipelago, Norway

Starling murmuration at sunset, as seen from the Brighton Beach, City of Brighton and Hove, East Sussex, England, United Kingdom

Adult whooper swan (Cygnus cygnus), pair on nest near Lake Myvatn, Iceland

Tern in flight, Farne Islands, Northumberland, England, United Kingdom, Europe

Black-legged kittiwakes (Rissa tridactyla) on iceberg in Tracy Arm, Southeast Alaska, United States of America, North America

Adult humpback whale (Megaptera novaeangliae) flukes-up dive in Inian Pass, Southeast Alaska, Pacific Ocean, United States of America, North America

Common guillemot (Uria aalge) nesting on Bear Island (Bjornoya) in the Svalbard Archipelago, Norway, Arctic, Europe

Caspian Tern (Hydroprogne caspia) at breeding colony on Ile des Oiseaux in the Parc National du Delta du Saloum, UNESCO World Heritage Site, Senegal, West Africa, Africa

Cowboy on horse with whip herding wild and semi-wild Yilki horses at sunset, Hacilar, Kayseri, Cappadocia, Anatolia, Turkey, Asia Minor, Asia

An adult bull introduced reindeer (Rangifer tarandus) before eradication in Stromness Bay, South Georgia, Polar Regions

Hamerkop (Scopus umbretta) carrying nesting material, Zimanga Game Reserve, South Africa, Africa

A small pod of killer whales (Orcinus orca) off the west coast of Isabela Island in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America

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

Adult polar bear (Ursus maritimus) in Holmabukta on the northwest coast of Spitsbergen in the Svalbard Archipelago, Norway

Northern gannet (Morus bassanas) breeding colony at the cliffs of Noss, Shetland Islands, Scotland, United Kingdom

Spanish seasonal workers grape picking, Seguret, Vaucluse region, Provence, France, Europe

Sandhill crane (Grus canadensis) migrating north in late April to nesting grounds in Alaska, cries out from a farmer's field in Palmer, Alaska. Located in the Matanuska Valley, Palmer was founded as an agricultural colony in the mid-20th century, Palmer, Alaska, United States of America