860-291019 - Horned desert viper (Cerastes cerastes) biting, from Mauritania to Arabian peninsula

860-290562 - A lioness, Panthera leo, kicking up a cloud of dust as she runs. Chobe National Park, Kasane, Botswana.

1178-38776 - Fierce dog baring teeth

860-289901 - European Red Wood Ant (Formica polyctena) in defensive position with reflection, Lorraine, France

860-290103 - Black Caracara (Daptrius ater) hooted in flight by aTropical Kingbird (Tyrannus melancholicus), Alter do Chao, Brazilian Amazon.

860-288842 - Spectacled caiman (Caiman crocodilus), catching a Piranha out of the water, Pantanal area, Mato Grosso, Brazil

860-288722 - A leopard seal, Hydrurga leptonyx, feeding on a gentoo penguin, Petermann Island, Antarctica.

860-288501 - Mangrove snake (Boiga dendrophila dendrophila)

860-288357 - African buffalo Syncerus caffer attacked by Nil crocodile (Crocodylus niloticus) in Kruger National park, South Africa

860-287772 - Arctic tern (Sterna paradisaea) attacking attacks photographer defending chicks, blue sky, Inner Farne, Farne Islands, Northumberland, UK

860-287690 - Nile Crocodile (Crocodylus niloticus) attacking a young Buechell's Zebra (Equus quagga burchellii) during the crossing of the Mara River, Masai Mara, Kenya

860-287567 - Black grouse (Lyrurus tetrix) fighting in lek in a snowy bog

860-287433 - Challenge between buzzards (Buteo buteo) two buzzards fighting for the perch, Valli di Argenta, Ferrara, Italy

860-287226 - Common warthog (Phacochoerus africanus) in Kruger National park, South Africa

995-375 - Grey Seal (Halichoerus grypus) female fighting bull to protect her pup. Mull of Kintyre near Campbeltown, Argyll, Scotland, UK

921-737 - Wild Large Male Northern fur seals ( Callorhinus ursinus ), Colony, Endangered, part of massive colony, being territorial, Tyuleniy Islands (Bering Sea), Russia, Asia.

995-355 - Grey Seal (Halichoerus grypus), two females fighting over territory while still in the surf.. Mull of Kintyre near Campbeltown, Argyll, Scotland, UK

995-362 - Grey Seal (Halichoerus grypus) close up head shot of bull with mouth open showing aggression. Mull of Kintyre near Campbeltown, Argyll, Scotland, UK

995-363 - Grey Seal (Halichoerus grypus) close up head shot of bull with mouth open showing aggression and a wave breaking over his head.. Mull of Kintyre near Campbeltown, Argyll, Scotland, UK

979-9274 - Northern giant petrel (Macronectes halli) fighting over the scavenging rights to a dead elephant seal pup at Royal Harbor on South Georgia Island, Southern Ocean

979-7428 - Adult female leopard seal (Hydrurga leptonyx) stalking, then killing and eating an adult gentoo penguin in Paradise Bay, Antarctica, Southern Ocean

979-9275 - Northern giant petrel (Macronectes halli) fighting over the scavenging rights to a dead elephant seal pup at St. Andrews Bay on South Georgia Island, Southern Ocean

979-7422 - Adult female leopard seal (Hydrurga leptonyx) stalking, then killing and eating an adult gentoo penguin in Paradise Bay, Antarctica, Southern Ocean

979-7421 - Adult female leopard seal (Hydrurga leptonyx) stalking, then killing and eating an adult gentoo penguin in Paradise Bay, Antarctica, Southern Ocean

979-4176 - Adult Antarctic Fur Seal (Arctocephalus gazella) killing and then eating a king penguin on the island of South Georgia, southern Atlantic Ocean

979-9273 - Northern giant petrel (Macronectes halli) fighting over the scavenging rights to a dead elephant seal pup at Royal Harbor on South Georgia Island, Southern Ocean

979-7427 - Adult female leopard seal (Hydrurga leptonyx) stalking, then killing and eating an adult gentoo penguin in Paradise Bay, Antarctica, Southern Ocean

979-7419 - Adult female leopard seal (Hydrurga leptonyx) stalking, then killing and eating an adult gentoo penguin in Paradise Bay, Antarctica, Southern Ocean

979-7426 - Adult female leopard seal (Hydrurga leptonyx) stalking, then killing and eating an adult gentoo penguin in Paradise Bay, Antarctica, Southern Ocean

979-7415 - Adult female leopard seal (Hydrurga leptonyx) stalking, then killing and eating an adult gentoo penguin in Paradise Bay, Antarctica, Southern Ocean

979-7436 - Adult female leopard seal (Hydrurga leptonyx) stalking, then killing and eating an adult gentoo penguin in Paradise Bay, Antarctica, Southern Ocean

979-7437 - Adult female leopard seal (Hydrurga leptonyx) stalking, then killing and eating an adult gentoo penguin in Paradise Bay, Antarctica, Southern Ocean

979-7431 - Adult female leopard seal (Hydrurga leptonyx) stalking, then killing and eating an adult gentoo penguin in Paradise Bay, Antarctica, Southern Ocean

979-7102 - Southern Giant Petrels (Macronectes giganteus) attacking and eventually killing an imperial rock shag (Phalacrocorax (atriceps) atriceps) on a tiny offshore reef in the Beagle Channel outside Ushuaia, Argentina

979-7425 - Adult female leopard seal (Hydrurga leptonyx) stalking, then killing and eating an adult gentoo penguin in Paradise Bay, Antarctica, Southern Ocean

979-4302 - An adult Brown Skua (Catharacta antarctica) in flight near the Antarctic peninsula in the southern ocean

979-5319 - Adult Arctic Skua (Stercorarius parasiticus) attacking a black-legged kittiwake to force it to drop food in the Svalbard Archipelago

979-7105 - Southern Giant Petrels (Macronectes giganteus) attacking and eventually killing an imperial rock shag (Phalacrocorax atriceps) on a tiny offshore reef in the Beagle Channel outside Ushuaia, Argentina

979-7438 - Adult female leopard seal (Hydrurga leptonyx) stalking, then killing and eating an adult gentoo penguin in Paradise Bay, Antarctica, Southern Ocean

979-7423 - Adult female leopard seal (Hydrurga leptonyx) stalking, then killing and eating an adult gentoo penguin in Paradise Bay, Antarctica, Southern Ocean

979-7430 - Adult female leopard seal (Hydrurga leptonyx) stalking, then killing and eating an adult gentoo penguin in Paradise Bay, Antarctica, Southern Ocean

979-7417 - Adult female leopard seal (Hydrurga leptonyx) stalking, then killing and eating an adult gentoo penguin in Paradise Bay, Antarctica, Southern Ocean

979-8663 - Two young polar bears (Ursus maritimus) in territorial disputel near Monacobreen Glacier, Spitsbergen in the Svalbard Archipelago, Norway

979-4616 - Southern Giant Petrel (Macronectes giganteus) in and around South Georgia, Southern Ocean

979-3883 - King Penguin (Aptenodytes patagonicus) breeding and nesting colonies on South Georgia Island, Southern Ocean.

979-7429 - Adult female leopard seal (Hydrurga leptonyx) stalking, then killing and eating an adult gentoo penguin in Paradise Bay, Antarctica, Southern Ocean

979-9271 - Northern giant petrel (Macronectes halli) fighting over the scavenging rights to a dead elephant seal pup at Royal Harbor on South Georgia Island, Southern Ocean

979-9272 - Northern giant petrel (Macronectes halli) fighting over the scavenging rights to a dead elephant seal pup at Royal Harbor on South Georgia Island, Southern Ocean

979-7416 - Adult female leopard seal (Hydrurga leptonyx) stalking, then killing and eating an adult gentoo penguin in Paradise Bay, Antarctica, Southern Ocean

979-7103 - Southern Giant Petrels (Macronectes giganteus) attacking and eventually killing an imperial rock shag (Phalacrocorax atriceps) on a tiny offshore reef in the Beagle Channel outside Ushuaia, Argentina

979-4178 - Adult Antarctic Fur Seal (Arctocephalus gazella) killing and then eating a king penguin on the island of South Georgia, southern Atlantic Ocean

979-4615 - Southern Giant Petrel (Macronectes giganteus) in and around South Georgia, Southern Ocean

979-5320 - Adult Arctic Skua (Stercorarius parasiticus) attacking a black-legged kittiwake to force it to drop food in the Svalbard Archipelago

979-4180 - Adult Antarctic Fur Seal (Arctocephalus gazella) killing and then eating a king penguin on the island of South Georgia, southern Atlantic Ocean

979-8687 - Two young polar bears (Ursus maritimus) in territorial disputel near Monacobreen Glacier, Spitsbergen in the Svalbard Archipelago, Norway

979-4179 - Adult Antarctic Fur Seal (Arctocephalus gazella) killing and then eating a king penguin on the island of South Georgia, southern Atlantic Ocean

979-3953 - Southern Giant Petrel (Macronectes giganteus) and Northern Giant Petrel (Macronectes halli) tearing apart an Antarctic fur seal pup in the water at Grytviken on South Georgia, Southern Atlantic Ocean

979-7424 - Adult female leopard seal (Hydrurga leptonyx) stalking, then killing and eating an adult gentoo penguin in Paradise Bay, Antarctica, Southern Ocean

979-7414 - Adult female leopard seal (Hydrurga leptonyx) stalking, then killing and eating an adult gentoo penguin in Paradise Bay, Antarctica, Southern Ocean

979-7418 - Adult female leopard seal (Hydrurga leptonyx) stalking, then killing and eating an adult gentoo penguin in Paradise Bay, Antarctica, Southern Ocean

979-4177 - Adult Antarctic Fur Seal (Arctocephalus gazella) killing and then eating a king penguin on the island of South Georgia, southern Atlantic Ocean

979-4181 - Adult Antarctic Fur Seal (Arctocephalus gazella) killing and then eating a king penguin on the island of South Georgia, southern Atlantic Ocean

979-7432 - Adult female leopard seal (Hydrurga leptonyx) stalking, then killing and eating an adult gentoo penguin in Paradise Bay, Antarctica, Southern Ocean

979-4175 - Adult Antarctic Fur Seal (Arctocephalus gazella) killing and then eating a king penguin on the island of South Georgia, southern Atlantic Ocean

979-7433 - Adult female leopard seal (Hydrurga leptonyx) stalking, then killing and eating an adult gentoo penguin in Paradise Bay, Antarctica, Southern Ocean

979-7420 - Adult female leopard seal (Hydrurga leptonyx) stalking, then killing and eating an adult gentoo penguin in Paradise Bay, Antarctica, Southern Ocean

979-7434 - Adult female leopard seal (Hydrurga leptonyx) stalking, then killing and eating an adult gentoo penguin in Paradise Bay, Antarctica, Southern Ocean

979-4307 - An adult Brown Skua (Catharacta antarctica) in flight near the Antarctic peninsula in the southern ocean

817-364089 - Tyrannosaurus Rex tyrant lizard in Leba Park dinosaur theme park, Poland

817-364086 - Deinonychus attacks Iguanodon in Leba Park dinosaur theme park, Poland