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Southern elephant seal (Mirounga leonina) bull holding adult female in the surf to mate with her, South Georgia, Polar Regions
Adult bull killer whale (Orcinus orca) surfacing in Chatham Strait, Southeast Alaska, United States of America, Pacific Ocean, North America
Adult bull walrus (Odobenus rosmarus rosmarus) hauled out on the ice in the Svalbard Archipelago, Norway, Arctic, Europe
Adult bull walrus (Odobenus rosmarus rosmarus) hauled out on the beach in the Svalbard Archipelago, Norway, Arctic, Europe
Curious adult bull walrus (Odobenus rosmarus rosmarus) approach the ship at Moffen Island in the Svalbard Archipelago, Norway, Arctic, Europe
Curious adult bull walrus (Odobenus rosmarus rosmarus) approach the ship at Moffen Island in the Svalbard Archipelago, Norway, Arctic, Europe
An adult bull introduced reindeer (Rangifer tarandus) before eradication in Stromness Bay, South Georgia, Polar Regions
An adult bull introduced reindeer (Rangifer tarandus) before eradication in Stromness Bay, South Georgia, Polar Regions
An adult bull introduced reindeer (Rangifer tarandus) before eradication in Stromness Bay, South Georgia, Polar Regions
Adult bull southern elephant seals (Mirounga leonina) fighting for breeding grounds on South Georgia Island, Southern Ocean
Adult bull southern elephant seal (Mirounga leonina) trying to cool off by flinging sand on his back at Gold Harbour, South Georgia, Polar Regions
Adult bull southern elephant seal (Mirounga leonina) fleeing from another male challenger at Gold Harbour, South Georgia, Polar Regions
Southern elephant seal (Mirounga leonina) bull holding adult female in the surf to mate with her, South Georgia, Polar Regions
Southern elephant seal (Mirounga leonina) bull holding adult female in the surf to mate with her, South Georgia, Polar Regions
Adult bull walrus (Odobenus rosmarus rosmarus) hauled out on the beach in the Svalbard Archipelago, Norway, Arctic, Europe
Adult bull Galapagos sea lion (Zalophus wollebaeki) posturing on Fernandina Island in the Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America
An adult bull introduced reindeer (Rangifer tarandus) before eradication in Stromness Bay, South Georgia, Polar Regions
An adult bull among a pod of about 20 killer whales (Orcinus orca) in Antarctic Sound near the Antarctic Peninsula, Polar Regions
Adult bull Weddell seal (Leptonychotes weddellii) hauled out on ice near the Antarctic Peninsula, Antarctica, Polar Regions
Adult bull Atlantic walrus (Odobenus rosmarus rosmarus) rolling on its back on ice in Storfjorden, Svalbard, Arctic, Norway, Scandinavia, Europe
An adult bull introduced reindeer (Rangifer tarandus) before eradication in Stromness Bay, South Georgia, Polar Regions
Adult bull Antarctic fur seals (Arctocephalus gazella) fighting in Stromness Harbor, South Georgia, Polar Regions
A farmer drives a carriage pulled by two animals, Australia, Matanzas, Cuba, West Indies, Central America
Mundari man with a Kalashnikov posing with a bull with giant horns, Mundari tribe, South Sudan, Africa
View of the exterior of the Corn Palace, Mitchell, South Dakota, United States of America, North America
Adult bull Antarctic fur seal (Arctocephalus gazella), head detail, Stromness Harbor, South Georgia, Polar Regions
Adult male Thornicrofts giraffes (Giraffa camelopardalis thornicrofti), South Luangwa National Park, Zambia, Africa
Adult bull Antarctic fur seal (Arctocephalus gazella) head detail in Salisbury Plain, South Georgia, Polar Regions
Two adult bull southern elephant seals (Mirounga leonina), fighting on the beach on Snow Island, Antarctica, Polar Regions
Adult bull Steller sea lion (Eumetopias jubatus), catching salmon at the Solomon Gulch Hatchery, Valdez, Alaska, United States of America, North America
Galapagos sea lion (Zalophus wollebaeki) adult bull, Fernandina Island, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America
Four adult bull southern elephant seals (Mirounga leonina), fighting on the beach on Snow Island, Antarctica, Polar Regions
Antarctic fur seal (Arctocephalus gazella) adult bull, Prion Island, South Georgia, UK Overseas Protectorate, Polar Regions
Adult bull Roosevelt elk (Cervus canadensis roosevelti), in rut near Highway 101, California, United States of America, North America
Two adult bull southern elephant seals (Mirounga leonina), fighting on the beach on Snow Island, Antarctica, Polar Regions
Adult bull Svalbard reindeer (Rangifer tarandus platyrhynchus), at Augustabreen, Nordaustlandet, Svalbard, Norway, Scandinavia, Europe
Adult bull Roosevelt elk (Cervus canadensis roosevelti), in rut near Highway 101, California, United States of America, North America
Adult California sea lion (Zalophus californianus) bull underwater at Los Islotes, Baja California Sur, Mexico, North America
Adult bull Steller sea lion (Eumetopias jubatus), territorial display at the Solomon Gulch Hatchery, Valdez, Alaska, United States of America, North America
Adult bull Antarctic fur seal (Arctocephalus gazella), hauled out on first year sea ice in the Weddell Sea, Antarctica, Polar Regions
Adult endemic South Georgia pipit (Anthus antarcticus), near elephant seal bull in Gold Harbor, South Georgia, Polar Regions
Adult bull Steller sea lions (Eumetopias jubatus), territorial display at the Solomon Gulch Hatchery, Valdez, Alaska, United States of America, North America
Adult bull northern fur seal (Callorhinus ursinus) on St. Paul Island, Pribilof Islands, Alaska, United States of America, North America
Adult bull Roosevelt elks (Cervus canadensis roosevelti), in rut near Highway 101, California, United States of America, North America
Adult bull sperm whale (Physeter macrocephalus), preparing to dive deep near Isla San Jose, Baja California Sur, Mexico, North America
Adult bull Antarctic fur seal (Arctocephalus gazella) with his harem of females, Godthul, South Georgia Island, Polar Regions
Adult bull killer whale (Orcinus orca), surfacing off Kagamil Island, Aleutian Islands, Alaska, United States of America, North America
Adult bull Steller sea lions (Eumetopias jubatus), territorial display at the Solomon Gulch Hatchery, Valdez, Alaska, United States of America, North America
Adult bull killer whales (Orcinus orca), surfacing near the Cleveland Peninsula, Southeast Alaska, United States of America, North America
Adult California sea lion (Zalophus californianus) bull underwater at Los Islotes, Baja California Sur, Mexico, North America
Adult bull Roosevelt elk (Cervus canadensis roosevelti), in rut near Highway 101, California, United States of America, North America
Adult bull killer whale (Orcinus orca), surfacing near the Cleveland Peninsula, Southeast Alaska, United States of America, North America
Adult bull northern elephant seal (Mirounga angustirostris), Benito del Oeste Island, Baja California, Mexico, North America
Young Hamer boy running above bulls to become a full adult, Jumping of the Bull ceremony, Omo Valley, Ethiopia, Africa
Muslim girl rides past untethered bull in the street in Nandi near Varanasi, Benares, Northern India
Bull roaming along street in Nandi near Varanasi, Benares, Northern India
Adult bull Type A killer whale (Orcinus orca) surfacing near researchers in the Gerlache Strait, Antarctica, Polar Regions
Adult bull Type A killer whale (Orcinus orca) surfacing near researchers in the Gerlache Strait, Antarctica, Polar Regions
Bullfighting, Novillada Picada on the Bullring, Plaza de Toros de Las Ventas, Madrid, Spain, Europe
Bullfighting, Novillada Picada on the Bullring, Plaza de Toros de Las Ventas, Madrid, Spain, Europe
Bullfighting, Novillada Picada on the Bullring, Plaza de Toros de Las Ventas, Madrid, Spain, Europe
A farmer takes a break and rests on his bull cart in Myanmar (Burma), Asia
Bull in street scene in Nandi near Varanasi, Benares, Northern India
Bull roams in the street in city of Varanasi, Benares, Northern India
Moose, alces alces. Male bull standing in tundra in autumn. North america
Moose, alces alces. Male bull standing in tundra in autumn. North america
Moose, alces alces. Two males / bulls fighting; locking antlers during rutting season north america
Moose, alces alces. In fall; female/cow and male/ bull; in mating season tundra in fall colour north america
Moose. Alces alces. Bull standing in tundra, in autumn. Denali n.p, alaska, usa
Moose, alces alces. Male bull standing in tundra in autumn. North america
Caribou, rangifer tarandus. Male/ bull in tundra; usa, alaska (alaska range in background) .
Caribou, rangifer tarandus. Male/ bull in tundra; usa, alaska (alaska range in background) .
Moose, alces alces. Male bull standing in pond drinking. North america
Caribou. Rangifer tarandus. Male/ bull in autumn tundra. Denali n.p, alaska, usa
Caribou, rangifer tarandus. Male/ bull in tundra; usa, alaska (alaska range in background)
Caribou, rangifer tarandus. Male/ bull in tundra; usa, alaska (alaska range in background) .
Adult bull Southern elephant seal (Mirounga leonina) hauled out and in a wallow while molting on the beach at Fortuna Bay on South Georgia Island, southern Atlantic Ocean.
Bull southern elephant seal (Mirounga leonina) on South Georgia Island in the Southern Ocean
CT with an eight-inch tooth from lower right mandible (jawbone) of an adult bull Sperm Whale (Physeter macrocephalus), Gulf of California (Sea of Cortez), Mexico
Adult bull southern elephant seal (Mirounga leonina) on the beach at President Head on Snow Island in the South Shetland Island Group, Antarctica
Adult bull Orca - also called Killer Whale - (Orcinus orca) surfacing in the calm waters of Southeast Alaska, USA. Note the exceptionally tall dorsal fin - the field diagnostic for a mature male Orca.
Bull southern elephant seal (Mirounga leonina) on South Georgia Island in the Southern Ocean
Adult bull Southern elephant seal (Mirounga leonina) hauled out and in a wallow while molting on the beach at Fortuna Bay on South Georgia Island, southern Atlantic Ocean.
Adult bull southern elephant seals (Mirounga leonina) fighting for breeding grounds on South Georgia Island in the Southern Ocean
Adult bull California Gray Whale (Eschrichtius robustus) penis display (courtship behaviour) in the calm waters of San Ignacio Lagoon, Baja, Mexico.
(Restricted Resolution - pls contact us)
Adult bull Southern elephant seal (Mirounga leonina) threat posture while hauled out and in a wallow while molting at the abandonded whaling station at Grytviken on the island of South Georgia
Adult Orca Bull, Orcinus Orca, surfacing in front of Mt. Baker, San Juan Islands, Washington
Adult bull California Sea Lion (Zalophus californianus) hauled out (note the well developed sagital crest denoting a male) at Race Rocks, British Columbia, Canada.
An emaciated bull Sperm Whale (Physeter macrocephalus) surfacing to breathe in Loch Ainort, a sea loch on the East coast of the Isle of Skye, Scotland with the village of Luib in the background. (Restricted Resolution, please contact us).
CT measures (9'8") the lower right mandible (jawbone) of an adult bull Sperm Whale (Physeter macrocephalus) in the mid-riff region of the Gulf of California (Sea of Cortez), Mexico. Model released.
Bull Southern Elephant Seal, Mirounga leonina, South Georgia, South Atlantic Ocean.
Adult bull Southern elephant seals (Mirounga leonina) hauled out and in a wallow while molting at the abandonded whaling station at Grytviken on the island of South Georgia, southern Atlantic Ocean.
The carcass of a reindeer (Rangifer tarandus) in Fortuna Bay, South Georgia
Eight-inch tooth from lower right mandible (jawbone) of an adult bull Sperm Whale (Physeter macrocephalus) in the mid-riff region of the Gulf of California (Sea of Cortez), Mexico.
Eight-inch tooth from lower right mandible (jawbone) of an adult bull Sperm Whale (Physeter macrocephalus) in the mid-riff region of the Gulf of California (Sea of Cortez), Mexico.
Adult bull northern (Steller) sea lion (Eumetopias jubatus) hauled out on the Brothers Island Group in Frederick Sound, Southeast Alaska, USA. Pacific Ocean
Adult bull Southern elephant seals (Mirounga leonina) hauled out and yawning in a wallow while molting on the beach at Fortuna Bay on South Georgia Island, southern Atlantic Ocean.
Killer Whale (Orcinus orca) bull just beginning to surface in Chatham Strait,
Sub-adult bull California sea lions (Zalophus californianus) mock-fighting on Los Islotes, Gulf of California (Sea of Cortez), Baja California Sur, Mexico
Adult bull southern elephant seal (Mirounga leonina) on the beach on Torgesen Island just outside Palmer Station in Port Arthur, Antarctica