Northern giant petrels (Macronectes halli) fighting over the scavenging rights to a dead elephant seal pup at Royal Harbor, South Georgia

Male southern elephant seal (Mirounga leonina) pups mock fighting on South Georgia Island, Southern Ocean

Southern elephant seal (Mirounga leonina) mating behavior on South Georgia Island, Southern Ocean

Adult rockhopper penguins (Eudyptes chrysocome chrysocome) at breeding and molting colony on New Island, Falkland Islands

Falkland Steamerduck (Tachyeres brachypterus) pair on New Island in the Falkland Islands

Southern right whale (Eubalaena australis) mother and calf being harassed by kelp gull, Peninsula Valdez, Argentina

Snorkeler with Galapagos sea lion (Zalophus wollebaeki) underwater in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America

Southern elephant seal (Mirounga leonina) mating behavior on South Georgia Island, Southern Ocean

Adult bull southern elephant seals (Mirounga leonina) fighting for breeding grounds on South Georgia Island, Southern Ocean

Tourists hand-feeding tarpon (Megalops atlaticus), at feeding station inside the Mesoamerican Barrier Reef, Belize

Guadalupe fur seals (Arctocephalus townsendi), at new haul out on Las Animas Island, Baja California Sur, Sea of Cortez, Mexico, North America

Crab preying on dead portuguese man-of-war, Physalia physalis, Praia do Forte, Bahia, Brazil (South Atlantic)

Starry night octopus, Octopus luteus, foraging on coral reef at night, Malapascua, Cebu, Philippines, Visayan Sea.

Californian Sea Lion and skin-diver, Zalophus californianus, Mexico, Sea of Cortez, Baja California, La Paz

Red Hartebeest (Alcelaphus buselaphus caama) . Fighting bulls. Kalahari Desert, Kgalagadi Transfrontier Park, South Africa, Africa

Cape Fur Seal (Arctocephalus pusillus) . Social contact. Cape Cross Seal Reserve, Skeleton Coast, Dorob National Park, Namibia, Africa

Red Hartebeest (Alcelaphus buselaphus caama) . Fighting bulls. Kalahari Desert, Kgalagadi Transfrontier Park, South Africa, Africa

Marmot with young ( Marmot) animal, Alps, Hohe Tauern National Park, Heiligenblut, Carinthia, Austria, Europe

African bush elephant (Loxodonta africana) confronts male Common waterbuck (Kobus ellipsiprymnus) in Chobe National Park, Botswana