1241-435 - Rocky mountain bighorn rams (ovis canadensis) during the rut (mating) season, Jasper National Park, UNESCO World Heritage Site, Alberta, Canadian Rockies, Canada, North America
1241-436 - Rocky mountain bighorn rams (ovis canadensis) during the rut (mating) season, Jasper National Park, UNESCO World Heritage Site, Alberta, Canadian Rockies, Canada, North America
1241-431 - Rocky mountain bighorn rams (ovis canadensis) during the rut (mating) season, Jasper National Park, UNESCO World Heritage Site, Alberta, Canadian Rockies, Canada, North America
1241-432 - Rocky mountain bighorn rams (ovis canadensis) during the rut (mating) season, Jasper National Park, UNESCO World Heritage Site, Alberta, Canadian Rockies, Canada, North America
1241-430 - Rocky mountain bighorn ram (ovis canadensis) during the rut (mating) season, Jasper National Park, UNESCO World Heritage Site, Alberta, Canadian Rockies, Canada, North America
1241-429 - Rocky mountain bighorn rams headbutting (ovis canadensis) during the rut (mating) season, Jasper National Park, UNESCO World Heritage Site, Alberta, Canadian Rockies, Canada, North America
832-399536 - Puffin (Fratercula arctica), Puffin on Bird Rock, Staple Island, Farne Islands Nature Reserve, Farne Islands, Northumberland, England, United Kingdom, Europe
832-397909 - African penguin (Spheniscus demersus), adult, on land, calling, mating, Betty's Bay, Stony Point Nature Reserve, Western Cape, South Africa, Africa
832-397366 - Atlantic puffin (Fratercula arctica) two adult birds during their display courtship, Skomer island, Pembrokeshire, Wales, United Kingdom, Europe
832-397369 - Atlantic puffin (Fratercula arctica) two adult birds during their courtship display, Skomer island, Pembrokeshire, Wales, United Kingdom, Europe
832-397368 - Atlantic puffin (Fratercula arctica) two adult birds during their courtship display, Skomer island, Pembrokeshire, Wales, United Kingdom, Europe
832-397367 - Atlantic puffin (Fratercula arctica) two adult birds during their display courtship, Skomer island, Pembrokeshire, Wales, United Kingdom, Europe
832-396792 - Northern northern gannet (Morus bassanus), confrontation between different animals on the breeding rock, Helgoland, Schleswig-Holstein, Germany, Europe
832-394797 - Red deer (Cervus elaphus), rutting, roaring deer, wildlife, Vorpommersche Boddenlandschaft National Park, Mecklenburg-Western Pomerania, Germany, Europe
832-394798 - Red deer (Cervus elaphus), rutting, roaring deer, wildlife, Vorpommersche Boddenlandschaft National Park, Mecklenburg-Western Pomerania, Germany, Europe
832-394799 - Red deer (Cervus elaphus), rutting, roaring deer, wildlife, Vorpommersche Boddenlandschaft National Park, Mecklenburg-Western Pomerania, Germany, Europe
1116-51438 - Bighorn Sheep ram (Ovis canadensis) performs lip curl (flehmen display) in the North Fork of the Shoshone River valley near Yellowstone National Park; Wyoming, United States of America
1116-51161 - Dominant bull moose (Alces americanus) standing on a lakeshore during the rut and watching, with dense fog over the lake, Gaspesie National Park; Quebec, Canada
1116-51437 - Bighorn Sheep ram (Ovis canadensis) courts a pair of ewes during the rut in the North Fork of the Shoshone River valley near Yellowstone National Park; Wyoming, United States of America
832-393705 - Common octopus Octopus vulgaris), mating, male on left inserts mating arm into mantle cavity on female's siphon transfers sperm-filled capsule, Red Sea, Aqaba, Kingdom of Jordan
1350-318 - Polar Bear (Ursa maritimus) on sea ice off the sub-arctic coast of Hudson Bay, Churchill, Manitoba, Canada. Bears come to the coast of Hudson Bay in Fall waiting for the ice to freeze, and looking for a careless seal or dead whale to wash up. Global warming has shortened their winter so they are increasingly anxious as they wait for winter. While they wait, they engage in frequent wrestling matches to determine a mating hierarchy for the breeding season in March and April, and regularly check on the ice to see if it will carry them out to sea.
832-389397 - Northern gannet (Morus bassanus) on the breeding rock Langanes with yellow lichens on rocks, Langanesbyggo, Norourland eystra, Iceland, Europe