Staffan Widstrand / Butchering grey whale kill on beach, Chukotka, Siberia, Russia

Mitsuaki Iwago / African Lion (Panthera leo) females working together to take down a Cape Buffalo (Syncerus caffer), Serengeti National Park, Tanzania

Chris Newbert / Galapagos Shark (Carcharhinus galapagensis) among schooling Black-striped Salema (Xenocys jessiae), Galapagos Islands, Ecuador

Jabruson / Female King baboon spider feeds on mouse kill, Tsavo NP Kenya

Mitsuaki Iwago / African Lion (Panthera leo) female chasing Burchell's Zebra (Equus burchellii), Serengeti, Tanzania

Mitsuaki Iwago / African Lion (Panthera leo) male attacking a Blue Wildebeest (Connochaetes taurinus), Serengeti National Park, Tanzania

Mitsuaki Iwago / African Lion (Panthera leo) females feeding on Burchell's Zebra (Equus burchellii), Serengeti National Park, Tanzania

Mitsuaki Iwago / African Lion (Panthera leo) mother and cubs feeding on Cape Buffalo (Syncerus caffer), Serengeti National Park, Tanzania

Mitsuaki Iwago / African Lion (Panthera leo) female chasing Blue Wildebeest (Connochaetes taurinus) group in river, Serengeti National Park, Tanzania

Mitsuaki Iwago / Cheetah (Acinonyx jubatus) chasing Grant's Gazelle (Nanger granti), Serengeti, Tanzania

Mitsuaki Iwago / African Lion (Panthera leo) female killing Blue Wildebeest (Connochaetes taurinus), Serengeti National Park, Tanzania

Mitsuaki Iwago / African Lion (Panthera leo) female chasing Burchell's Zebra (Equus burchellii), Serengeti National Park, Tanzania

Mitsuaki Iwago / African Lion (Panthera leo) females killing Burchell's Zebra (Equus burchellii), Serengeti National Park, Tanzania

Mitsuaki Iwago / African Lion (Panthera leo) females and young males attacking and eventually killing a Spotted Hyena (Crocuta crocuta), Serengeti National Park, Tanzania

Mitsuaki Iwago / African Lion (Panthera leo) female stalking Blue Wildebeest (Connochaetes taurinus) herd, Serengeti National Park, Tanzania

Mitsuaki Iwago / Cheetah (Acinonyx jubatus) attacking Thomson's Gazelle (Eudorcas thomsonii), Serengeti, Tanzania

Yva Momatiuk & John Eastcott / Leopard (Panthera pardus) large male resting after hunt and devouring its kill, Masai Mara National Reserve, Kenya

Gerry Ellis / African Lion (Panthera leo) kill surrounded by tourists, Tanzania border, Kenya

Fred Bavendam / Grey Reef Shark (Carcharhinus amblyrhynchos) feeding on a large baitfish ball, Solomon Islands, South Pacific

Tim Fitzharris / Black Bear (Ursus americanus) catching a salmon, Gunnuk Creek, Frederick Sound, Alaska

TJ Rich / Leopard {Panthera pardus} in tree with springbok kill. Namibia, Southern Africa.

Claus Meyer / Ferruginous Pygmy Owl (Glaucidium brasilianum) swallowing a captured lizard, Caatinga, Brazil

Gerry Ellis / Sea Otter (Enhydra lutris) female feeding on crab, North America

Thomas Mangelsen / Bald Eagle (Haliaeetus leucocephalus) flying with captured fish in talons, Homer, Alaska

Michael & Patricia Fogden / Desert Death Adder (Acanthophis pyrrhus) coiled in desert using tip of tail as a lure, an example of caudal luring, Australia

Yva Momatiuk & John Eastcott / Arctic Fox (Alopex lagopus) in spring, looking for carrion on sea ice, North Slope near Arctic Ocean, Alaska

Yva Momatiuk & John Eastcott / Arctic Fox (Alopex lagopus) in spring, looking for carrion on sea ice, North Slope near Arctic Ocean, Alaska

Yva Momatiuk & John Eastcott / Arctic Fox (Alopex lagopus) in spring, North Slope, Alaska

Yva Momatiuk & John Eastcott / Bald Eagle (Haliaeetus leucocephalus) fishing in the sea, spring, Kenai Peninsula, south central Alaska

Yva Momatiuk & John Eastcott / Bald Eagle (Haliaeetus leucocephalus) adult flying with fish it caught in sea in the spring, Kenai Peninsula, south central Alaska

Thomas Mangelsen / Grizzly Bear (Ursus arctos horribilis) catching spawning Sockeye Salmon (Oncorhynchus nerka), Brooks River Falls, Katmai National Park, Alaska

Chris Newbert / Black-striped Salema (Xenocys jessiae) group schooling, and two Galapagos Sharks (Carcharhinus galapagensis) 50 feet deep, Galapagos Islands, Ecuador

Matthias Breiter / Grizzly Bear (Ursus arctos horribilis) fishing for spawning salmon at a waterfall, Katmai National Park, Alaska

Chris Newbert / Galapagos Sea Lion (Zalophus wollebaeki) playing in a school of Black-striped Salema (Xenocys jessiae) 20 feet deep, Galapagos Islands, Ecuador

Duncan Usher / Common Kingfisher (Alcedo atthis) flying with fish in beak, Europe

Michio Hoshino / Black Bear (Ursus americanus) catching salmon, Alaska

Norbert Wu / Bottlenose Dolphin (Tursiops truncatus) chases a school of Bigeye Scad (Selar crumenophthalmus), Roatan, Honduras

Norbert Wu / Morning Sun Star (Solaster dawsoni) fed on by Rose Anemone, Queen Charlotte Islands, Canada

Norbert Wu / Lavenberg's Gulper-eel (Saccopharynx lavenbergi) deep sea species with hinged mouth swings wide open to accommodate large prey, deep sea, Guadalupe Island

Norbert Wu / Viperfish (Chauliodus sp) attacking Mysids, luring prey with photophores, deep sea

Jim Brandenburg / Great Horned Owl (Bubo virginianus) with rabbit it has captured, Minnesota

Michael Quinton / Bobcat (Lynx rufus) fighting with Muskrat (Ondatra zibethicus) in winter, Idaho. Sequence 2 of 4

Michael Quinton / Bobcat (Lynx rufus) fighting with Muskrat (Ondatra zibethicus) in winter, Idaho. Sequence 1 of 4

Norbert Wu / Swordfish (Xiphias gladius) worldwide, can tolerate temperatures of five degrees Celsius and dive to 650 meters, uses sword to kill prey such as squid, can grow to 14 feet and 1200 pounds, Sardinia, I...

Michael Quinton / Bobcat (Lynx rufus) hunting Muskrat (Ondatra zibethicus) in winter, Idaho. Sequence 3 of 4

Tim Fitzharris / Peregrine Falcon (Falco peregrinus) adult in protective stance standing on downed duck, North America

Mitsuaki Iwago / African Lion (Panthera leo) females killing Cape Buffalo (Syncerus caffer), Serengeti National Park, Tanzania

Mitsuaki Iwago / Cape Buffalo (Syncerus caffer) herd chasing African Lion (Panthera leo) female, Serengeti National Park, Tanzania

Norbert Wu / Big-mouth Gulper (Eurypharynx pelecanoides) deep sea species with hinged mouth swings wide open to accommodate large prey, San Diego, California

Norbert Wu / Cosmopolitan Whipnose (Gigantactis vanhoeffeni) a deep sea anglerfish with long fishing pole using bioluminescent lure attracts prey

Fred Bavendam / Pacific Giant Octopus (Enteroctopus dofleini) scavenging on a dead Blue Dog (Squalus acanthias), Campbell River, British Columbia, Canada

Mark Moffett / Peruvian Pinktoe Tarantula (Avicularia urticans) eating tree frog, Amazon, Peru

Norbert Wu / Viperfish (Chauliodus sp) chasing Hatchetfish (Sternoptyx sp) deep sea

Michio Hoshino / Grizzly Bear (Ursus arctos horribilis) catching salmon, Alaska

Jim Brandenburg / Timber Wolf (Canis lupus) pack at White-tailed Deer (Odocoileus virginianus) kill, Minnesota

Jim Brandenburg / Timber Wolf (Canis lupus) trio tugging on White-tailed Deer (Odocoileus virginianus) skin, Minnesota

Jim Brandenburg / Timber Wolf (Canis lupus) pack feeding on White-tailed Deer (Odocoileus virginianus) carcass, Minnesota

Fred Bavendam / West Indian Manatee (Trichechus manatus) named Sadie has propeller cuts on the tail, but her calf remains intact, every year boats kill dozens of manatees, Kings Bay, Crystal River, Florida

Hanne & Jens Eriksen / Polar bear {Ursus maritimus} at seal kill Svalbard, Norway

TJ Rich / Cheetah {Acinonyx jubatus} with Thomson gazelle kill, Masai Mara, Kenya

Peter Blackwell / Lioness dragging zebra kill (Panthera leo) Masai Mara Africa

Peter Blackwell / Lion males on kill of impala at night, Masai Mara, Kenya Africa.

Yuri Shibnev / Wild Amur leopard with kill near den, Kedrovapad Nature Rserve, Far East Russia, Ussuriland, South Primorskiy Region

Yuri Shibnev / Wild Amur leopard with kill near den. Kedrovapad Nature Reserve Far East Russia, Ussuriland, South Primorskiy Region. Note ear tags

Asgeir Helgestad / Badger road kill {Meles meles} Sweden

Martin Dohrn / Spotted hyaenas {Crocuta crocuta} feeding on kill, Serengeti NP, Tanzania, East Africa. Image taken at night using 'Starlight Camera' technology without artificial lighting. Ngorongoro Conservation Ar...

Martin Dohrn / Hyaenas threatening lions who have stolen kill. Serengeti NP, Tanzania, East Africa. Image taken using 'Starlight Camera' technology and infra red light. Ngorongoro Conservation Area

TJ Rich / Leopard {Panthera pardus} in tree with Impala kill Namibia, Southern Africa

Anup Shah / Olive baboon with antelope prey, Masai Mara, Kenya

Eric Baccega / Spotted hyena (Crocuta crocuta) covered in blood and mud after feeding on a kill of Eastern White-bearded Wildebeest (Connochaetes taurinus) Masai Mara National Reserve, Kenya.

Chase Dekker / Humpback Whale (Megaptera novaeangliae) pod gulp feeding on Northern Anchovy (Engraulis mordax) near sailboat, Monterey Bay, California

Chase Dekker / Humpback Whale (Megaptera novaeangliae) gulp feeding on Northern Anchovy (Engraulis mordax), Monterey Bay, California

Chase Dekker / Humpback Whale (Megaptera novaeangliae) gulp feeding on Northern Anchovy (Engraulis mordax), Monterey Bay, California

Chase Dekker / Humpback Whale (Megaptera novaeangliae) gulp feeding on Northern Anchovy (Engraulis mordax) near whale watching boat, Monterey Bay, California

Chase Dekker / Humpback Whale (Megaptera novaeangliae) pod gulp feeding on Northern Anchovy (Engraulis mordax), Monterey Bay, California

Chase Dekker / Humpback Whale (Megaptera novaeangliae) gulp feeding on Northern Anchovy (Engraulis mordax), Monterey Bay, California

Chase Dekker / Humpback Whale (Megaptera novaeangliae) pod gulp feeding on Northern Anchovy (Engraulis mordax), Monterey Bay, California

Chase Dekker / Humpback Whale (Megaptera novaeangliae) pair gulp feeding on Northern Anchovy (Engraulis mordax) near sailboat, Monterey Bay, California

Chase Dekker / Humpback Whale (Megaptera novaeangliae) pair gulp feeding on Northern Anchovy (Engraulis mordax), Monterey Bay, California

Chase Dekker / Humpback Whale (Megaptera novaeangliae) pair gulp feeding on Northern Anchovy (Engraulis mordax), Monterey Bay, California

Chase Dekker / Humpback Whale (Megaptera novaeangliae) gulp feeding on Northern Anchovy (Engraulis mordax), Monterey Bay, California

Chase Dekker / Humpback Whale (Megaptera novaeangliae) pod gulp feeding on Northern Anchovy (Engraulis mordax) near tourists, Monterey Bay, California

Chase Dekker / African Lion (Panthera leo) female near Blue Wildebeest (Connochaetes taurinus) herd, Masai Mara, Kenya

Chase Dekker / African Lion (Panthera leo) male feeding on Blue Wildebeest (Connochaetes taurinus) kill, Masai Mara, Kenya

Chase Dekker / African Lion (Panthera leo) male feeding on Blue Wildebeest (Connochaetes taurinus) kill, Masai Mara, Kenya

Chase Dekker / African Lion (Panthera leo) male feeding on Blue Wildebeest (Connochaetes taurinus) kill, Masai Mara, Kenya

Jami Tarris / Polar Bear (Ursus maritimus) feeding on Bearded Seal (Erignathus barbatus) kill, Spitsbergen, Svalbard, Norway

Jami Tarris / Polar Bear (Ursus maritimus) feeding on Bearded Seal (Erignathus barbatus) kill, Spitsbergen, Svalbard, Norway

Juergen & Christine Sohns / African Wild Dog (Lycaon pictus) group surrounding Cape Warthog (Phacochoerus aethiopicus), Tswalu Game Reserve, South Africa

Juergen & Christine Sohns / African Wild Dog (Lycaon pictus) group attacking Cape Warthog (Phacochoerus aethiopicus), Tswalu Game Reserve, South Africa

Phil Savoie / Painted nomad bee (Nomada fucata) female, kleptoparasite outside the nest burrow of Yellow legged mining bee (Andrena flavipes) where it will kill the larvae in the burrow before laying its own eggs w...

Heike Odermatt / Polar Bear (Ursus maritimus) with prey, Svalbard, Norway

Nick Garbutt / Puma (Puma concolor puma) female carrying Guanaco (Lama guanicoe) kill. Torres del Paine National Park, Patagonia, Chile. November.

Fabio Pupin / Western green lizard, (Lacerta bilineata), female, road-kill, Italy, August . Non-ex.

Andy Rouse / Polar bear (Ursus maritimus) cub with blood on face after eating fresh seal kill. Svalbard, Norway

Andy Rouse / Polar bear (Ursus maritimus) cub with blood on face after eating fresh seal kill. Svalbard, Norway