1112-11249 - Adult bull southern elephant seals (Mirounga leonina) fighting for breeding grounds on South Georgia Island in the Southern Ocean. MORE INFO The southern elephant seal is not only the most massive pinniped but also the largest member of the order Carnivor

1112-11248 - Adult bull southern elephant seals (Mirounga leonina) fighting for breeding grounds on South Georgia Island in the Southern Ocean. MORE INFO The southern elephant seal is not only the most massive pinniped but also the largest member of the order Carnivor

1112-11246 - Young adult bull southern elephant seal (Mirounga leonina) holding a young pup's head underwater (seemingly trying to kill it- the pup survived) on South Georgia Island in the Southern Ocean. MORE INFO The southern elephant seal is not only the most massi

1112-11245 - Young adult bull southern elephant seal (Mirounga leonina) holding a young pup's head underwater (seemingly trying to kill it- the pup survived) on South Georgia Island in the Southern Ocean. MORE INFO The southern elephant seal is not only the most massi

1112-11224 - Adult bull southern elephant seals (Mirounga leonina) fighting for breeding grounds on South Georgia Island in the Southern Ocean. MORE INFO The southern elephant seal is not only the most massive pinniped but also the largest member of the order Carnivor

1112-11221 - Adult bull southern elephant seal (Mirounga leonina) flipping sand onto its back to cool off on South Georgia Island in the Southern Ocean. MORE INFO The southern elephant seal is not only the most massive pinniped but also the largest member of the order

1112-11214 - Adult bull southern elephant seals (Mirounga leonina) fighting for breeding grounds on South Georgia Island in the Southern Ocean. MORE INFO The southern elephant seal is not only the most massive pinniped but also the largest member of the order Carnivor

1112-11091 - Adult bull Weddell seal (Leptonychotes weddellii) hauled out on ice near the Antarctic Peninsula, Antarctica, Polar Regions

1112-10764 - An adult bull among a pod of about 20 killer whales (Orcinus orca) in Antarctic Sound near the Antarctic Peninsula, Polar Regions

1112-10763 - An adult bull among a pod of about 20 killer whales (Orcinus orca) in Antarctic Sound near the Antarctic Peninsula, Polar Regions

1112-10585 - Adult bull introduced reindeer (Rangifer tarandus) before eradication in Stromness Bay, South Georgia, Polar Regions

1112-10584 - An adult bull introduced reindeer (Rangifer tarandus) before eradication in Stromness Bay, South Georgia, Polar Regions

1112-10583 - An adult bull introduced reindeer (Rangifer tarandus) before eradication in Stromness Bay, South Georgia, Polar Regions

1112-10582 - An adult bull introduced reindeer (Rangifer tarandus) before eradication in Stromness Bay, South Georgia, Polar Regions

1112-10581 - An adult bull introduced reindeer (Rangifer tarandus) before eradication in Stromness Bay, South Georgia, Polar Regions

1112-10580 - An adult bull introduced reindeer (Rangifer tarandus) before eradication in Stromness Bay, South Georgia, Polar Regions

1112-10579 - An adult bull introduced reindeer (Rangifer tarandus) before eradication in Stromness Bay, South Georgia, Polar Regions

1112-10578 - An adult bull introduced reindeer (Rangifer tarandus) before eradication in Stromness Bay, South Georgia, Polar Regions

1112-10560 - Adult bull southern elephant seal (Mirounga leonina) hauled out to molt at Grytviken on South Georgia, Polar Regions

1112-10062 - Adult bull Galapagos sea lion (Zalophus wollebaeki) posturing on Fernandina Island in the Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

1112-9826 - Adult bull walrus (Odobenus rosmarus rosmarus) hauled out on the beach in the Svalbard Archipelago, Norway, Arctic, Europe

1112-9825 - Adult bull walrus (Odobenus rosmarus rosmarus) hauled out on the beach in the Svalbard Archipelago, Norway, Arctic, Europe

1112-9824 - Adult bull walrus (Odobenus rosmarus rosmarus) hauled out on the beach in the Svalbard Archipelago, Norway, Arctic, Europe

1112-9823 - Adult bull walrus (Odobenus rosmarus rosmarus) hauled out on the beach in the Svalbard Archipelago, Norway, Arctic, Europe

1112-9822 - Adult bull walrus (Odobenus rosmarus rosmarus) hauled out on the beach in the Svalbard Archipelago, Norway, Arctic, Europe

1112-9821 - Adult bull walrus (Odobenus rosmarus rosmarus) hauled out on the beach in the Svalbard Archipelago, Norway, Arctic, Europe

1112-9820 - Adult bull walrus (Odobenus rosmarus rosmarus) hauled out on the ice in the Svalbard Archipelago, Norway, Arctic, Europe

1112-9819 - Adult bull walrus (Odobenus rosmarus rosmarus) hauled out on the beach in the Svalbard Archipelago, Norway, Arctic, Europe

1112-9818 - Curious adult bull walrus (Odobenus rosmarus rosmarus) approach the ship at Moffen Island in the Svalbard Archipelago, Norway, Arctic, Europe

1112-9817 - Curious adult bull walrus (Odobenus rosmarus rosmarus) approach the ship at Moffen Island in the Svalbard Archipelago, Norway, Arctic, Europe

1112-9816 - Curious adult bull walrus (Odobenus rosmarus rosmarus) approach the ship at Moffen Island in the Svalbard Archipelago, Norway, Arctic, Europe

1112-9815 - Curious adult bull walrus (Odobenus rosmarus rosmarus) approach the ship at Moffen Island in the Svalbard Archipelago, Norway, Arctic, Europe

1112-9814 - Curious adult bull walrus (Odobenus rosmarus rosmarus) approach the ship at Moffen Island in the Svalbard Archipelago, Norway, Arctic, Europe

1112-9813 - Curious adult bull walrus (Odobenus rosmarus rosmarus) approach the ship at Moffen Island in the Svalbard Archipelago, Norway, Arctic, Europe

1112-9812 - Curious adult bull walrus (Odobenus rosmarus rosmarus) approach the ship at Moffen Island in the Svalbard Archipelago, Norway, Arctic, Europe

1112-9811 - Curious adult bull walrus (Odobenus rosmarus rosmarus) approach the ship at Moffen Island in the Svalbard Archipelago, Norway, Arctic, Europe

1112-9810 - Curious adult bull walrus (Odobenus rosmarus rosmarus) approach the ship at Moffen Island in the Svalbard Archipelago, Norway, Arctic, Europe

1112-9809 - Curious adult bull walrus (Odobenus rosmarus rosmarus) approach the ship at Moffen Island in the Svalbard Archipelago, Norway, Arctic, Europe

1112-9808 - Curious adult bull walrus (Odobenus rosmarus rosmarus) approach the ship at Moffen Island in the Svalbard Archipelago, Norway, Arctic, Europe

1112-9676 - Adult bull killer whale (Orcinus orca) surfacing in Glacier Bay National Park, Southeast Alaska, United States of America, Pacific Ocean, North America

1112-9675 - Adult bull killer whale (Orcinus orca) surfacing in Chatham Strait, Southeast Alaska, United States of America, Pacific Ocean, North America

1112-9673 - Adult bull killer whale (Orcinus orca) surfacing in Chatham Strait, Southeast Alaska, United States of America, Pacific Ocean, North America

1112-9669 - Adult bull killer whale (Orcinus orca) surfacing in Chatham Strait, Southeast Alaska, United States of America, Pacific Ocean, North America

1112-9637 - An adult bull killer whale (Orcinus orca) surfacing in Johnstone Strait, British Columbia, Canada, Pacific Ocean, North America

1112-9636 - An adult bull killer whale (Orcinus orca) surfacing in Johnstone Strait, British Columbia, Canada, Pacific Ocean, North America

1112-9635 - An adult bull killer whale (Orcinus orca) surfacing in Johnstone Strait, British Columbia, Canada, Pacific Ocean, North America

1112-9634 - An adult bull killer whale (Orcinus orca) surfacing in Johnstone Strait, British Columbia, Canada, Pacific Ocean, North America

1112-9633 - An adult bull killer whale (Orcinus orca) surfacing in Johnstone Strait, British Columbia, Canada, Pacific Ocean, North America

1112-9632 - An adult bull killer whale (Orcinus orca) surfacing in Johnstone Strait, British Columbia, Canada, Pacific Ocean, North America

1112-9631 - An adult bull killer whale (Orcinus orca) surfacing in Johnstone Strait, British Columbia, Canada, Pacific Ocean, North America

1112-9588 - Northern (Steller) sea lion (Eumetopias jubatus) bull feeding on fisherman's scraps near Petersburg, Alaska, United States of America, North America

1112-9518 - Southern elephant seal (Mirounga leonina) bull holding adult female in the surf to mate with her, South Georgia, Polar Regions

1112-9517 - Southern elephant seal (Mirounga leonina) bull holding adult female in the surf to mate with her, South Georgia, Polar Regions

1112-9516 - Southern elephant seal (Mirounga leonina) bull holding adult female in the surf to mate with her, South Georgia, Polar Regions

1112-9515 - Southern elephant seal (Mirounga leonina) bull holding adult female in the surf to mate with her, South Georgia, Polar Regions

1112-9514 - Southern elephant seal (Mirounga leonina) bull holding adult female in the surf to mate with her, South Georgia, Polar Regions

1112-9513 - Southern elephant seal (Mirounga leonina) bull holding adult female in the surf to mate with her, South Georgia, Polar Regions

1112-9497 - Adult bull southern elephant seal (Mirounga leonina) issuing a bellow towards another male, Gold Harbour, South Georgia, Polar Regions

1112-9496 - Adult beachmaster bull southern elephant seal (Mirounga leonina) challenging another male at Gold Harbour, South Georgia, Polar Regions

1112-9494 - Adult bull southern elephant seal (Mirounga leonina) trying to cool off by flinging sand on his back at Gold Harbour, South Georgia, Polar Regions

1112-9491 - Adult bull southern elephant seal (Mirounga leonina) fleeing from another male challenger at Gold Harbour, South Georgia, Polar Regions

1112-9492 - Adult bull southern elephant seal (Mirounga leonina) stretching amongst king penguins at Gold Harbour, South Georgia, Polar Regions

1112-9490 - Adult bull southern elephant seal (Mirounga leonina) with females and pups at Gold Harbour on South Georgia Island, Polar Regions

1112-9488 - Adult bull southern elephant seal (Mirounga leonina) attempting to cool off by flinging sand on his back, South Georgia, Polar Regions

1112-9487 - Adult bull southern elephant seal (Mirounga leonina) issuing a bellowing challenge at Gold Harbour on South Georgia, Polar Regions

1112-9486 - Adult bull southern elephant seal (Mirounga leonina) issuing a bellowing challenge at Gold Harbour on South Georgia, Polar Regions

1112-9485 - Adult bull southern elephant seal (Mirounga leonina) mating in the surf at Gold Harbour on South Georgia Island, Polar Regions

1112-9483 - Young adult bull southern elephant seal (Mirounga leonina) close up while swimming in glacier run off, South Georgia Island, Polar Regions

1112-9482 - Adult beachmaster bull southern elephant seal (Mirounga leonina) holding female down with his weight, South Georgia, Polar Regions

1112-9413 - Adult bull southern elephant seal (Mirounga leonina), skull on display at the Natural History Museum in Stanley, Falklands, South America

1184-11072 - Mundari man with a Kalashnikov posing with a bull with giant horns, Mundari tribe, South Sudan, Africa

1112-7478 - Adult bull northern elephant seal (Mirounga angustirostris), Benito del Oeste Island, Baja California, Mexico, North America

1112-7458 - Adult bull sperm whale (Physeter macrocephalus), preparing to dive deep near Isla San Jose, Baja California Sur, Mexico, North America

860-291200 - Muskox or Muskoxen (Ovibos moschatus) bulls fighting in deep snow during winter. Bardu, Polar Park, Norway, Scandinavia, Europe

1112-6920 - Adult bull Steller sea lion (Eumetopias jubatus), catching salmon at the Solomon Gulch Hatchery, Valdez, Alaska, United States of America, North America

1112-6922 - Adult bull Steller sea lions (Eumetopias jubatus), territorial display at the Solomon Gulch Hatchery, Valdez, Alaska, United States of America, North America

1112-6921 - Adult bull Steller sea lion (Eumetopias jubatus), territorial display at the Solomon Gulch Hatchery, Valdez, Alaska, United States of America, North America

1112-6923 - Adult bull Steller sea lions (Eumetopias jubatus), territorial display at the Solomon Gulch Hatchery, Valdez, Alaska, United States of America, North America

1112-6873 - An adult bull porcupine caribou (Rangifer tarandus granti), hiding in fall color changes in Denali National Park, Alaska, United States of America, North America

860-290610 - African bush elephant or African savanna elephant (Loxodonta africana) bull with beautiful cloud formations in background. Mpumalanga. South Africa.

860-290576 - Camargue bull in the sansouire in autumn, Camargue, France

1112-6506 - A pair of adult bull Antarctic fur seals (Arctocephalus gazella), fighting in Right Whale Bay, South Georgia, South Atlantic, Polar Regions

1112-6507 - Adult Antarctic fur seal (Arctocephalus gazella), bull and cow on Prion Island, South Georgia Island, South Atlantic, Polar Regions

1112-6386 - Four adult bull southern elephant seals (Mirounga leonina), fighting on the beach on Snow Island, Antarctica, Polar Regions

1112-6383 - Two adult bull southern elephant seals (Mirounga leonina), fighting on the beach on Snow Island, Antarctica, Polar Regions

1112-6384 - Two adult bull southern elephant seals (Mirounga leonina), fighting on the beach on Snow Island, Antarctica, Polar Regions

1178-40884 - Caucasian woman on forest path with bull

1112-6067 - Adult bull killer whales (Orcinus orca), surfacing near the Cleveland Peninsula, Southeast Alaska, United States of America, North America

1112-6066 - Adult bull killer whale (Orcinus orca), surfacing near the Cleveland Peninsula, Southeast Alaska, United States of America, North America

1339-43 - A farmer drives a carriage pulled by two animals, Australia, Matanzas, Cuba, West Indies, Central America

1350-224 - Adult bull Elk Wapitii ( Cervus elaphus ) resting in prairie landscape setting at Yellowstone National Park near Helena Montana USA

1350-223 - Adult bull Elk Wapitii ( Cervus elaphus ) trotting in prairie wooded landscape setting at Riding Mountain National Park Manitoba Canada

1350-221 - Adult bull American Bison buffalo ( Bos bison ) with Brown-headed Cowbird ( Molothrus ater ) on back in prairie landscape at Riding Mountain National Park Manitoba Canada

1112-5858 - Adult bull killer whale (Orcinus orca), power-lunging while feeding on fish along the coast of eastern Greenland, Polar Regions

832-388262 - Elk (Alces alces), bull, standing on forest meadow in rain, Hedmark Province, Norway, Europe

1112-5157 - Adult endemic South Georgia pipit (Anthus antarcticus), near elephant seal bull in Gold Harbor, South Georgia, Polar Regions

1112-5137 - Adult bull Antarctic fur seal (Arctocephalus gazella) head detail in Salisbury Plain, South Georgia, Polar Regions

1112-5034 - Adult bull Roosevelt elk (Cervus canadensis roosevelti), in rut near Highway 101, California, United States of America, North America

1112-5036 - Adult bull Roosevelt elk (Cervus canadensis roosevelti), in rut near Highway 101, California, United States of America, North America

1112-5035 - Adult bull Roosevelt elks (Cervus canadensis roosevelti), in rut near Highway 101, California, United States of America, North America