832-405457 - A deer on a hillside calling out while rutting season with a backdrop of distant mountains, Red deer (Cervus elaphus), Wildpark Aurach, Austria, Europe
1112-9289 - Southern elephant seals (Mirounga leonina), hauled out for their annual catastrophic molt (moult) on the beach at Snow Island, Antarctica, Polar Regions
1112-9284 - Southern elephant seals (Mirounga leonina), hauled out for their annual catastrophic molt (moult) on the beach at Snow Island, Antarctica, Polar Regions
1116-53248 - Bull moose (Alces alces) wades through the mist of a cool Southcentral Alaska evening during the September 'rut', or breeding season. Moose are the largest member of the deer family. The animals are circumpolar and the Alaska-Yukon race, Alces alces gigas, is the largest of all, Alaska, United States of America
1116-53247 - Alaska bull moose (Alces alces) patrols a marsh during the rut, or fall breeding season, in mid-September, Anchorage, Alaska, United States of America
1116-53455 - Mature bull moose (Alces alces) with a large rack of antlers spanning close to two meters (six feet) wide, pauses late in the rut in Southcentral Alaska's Chugach State Park, Alaska, United States of America
1116-53454 - Portrait of a bull moose (Alces alces) walking through an alpine meadow late in the rut in Southcentral Alaska's Chugach State Park, Alaska, United States of America
1116-53453 - Bull moose (Alces alces) is startled as a jealous cow threatens a competitor during the rut, or breeding season, in Southcentral Alaska's Chugach State Park, USA, Alaska, United States of 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
1241-435 - Rocky mountain bighorn rams (ovis canadensis) during the rut (mating) season, Jasper National Park, UNESCO World Heritage Site, Alberta, Canadian Rockies, Canada, North America
1241-431 - 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