Pete Oxford / African wild dogs {Lycaon pictus} tearing apart Impala kill, Okavango Delta, Botswana, Africa

Mark Moffett / Wind Scorpion (Galeodidae) male at left lunges at a female tearing her body and damaging her legs before mating, desert, Iran

Mark Moffett / Tarantula (Aphonopelma sp) female emerges from nest to face male who has attracted her attention by tearing the silk membranes at nest entrance, Northern Arizona

Mark Moffett / Tarantula (Aphonopelma sp) female emerges from nest to face male who has attracted her attention by tearing the silk membranes at nest entrance, Northern Arizona

Rick Tomlinson / "Merit Cup" tears her main at the finish of the Whitbread Race leg to Auckland, 1997.

Brent Hedges / African lionesses tearing apart prey {Panthera leo} Masai Mara Kenya

Richard Du Toit / African elephant {Loxidonta africana} with one tusk tearing bark from Marula tree. Kruger

Frederique Olivier / Polar bear (Ursus maritimus) mother and cubs feeding on remains of hunted Narwhal (Monodon monoceros) carcass, Mittimitalik, Baffin Island, Canada.

Nick Upton / Carrion crow (Corvus corone) standing beside woodland pond, pecking underbelly of Common toad (Bufo bufo), avoiding the most toxic skin on the head and back, Forest of Dean, Gloucestershire, UK, March...

Harry Collins / Brown bear (Ursus arctos) feeding on a Sockeye salmon (Oncorhynchus nerka) in a shallow river. Glacous-winged gulls (Larus glaucescens) fly into frame and congregate around the bear. Katmai, Alaska, A...

Harry Collins / Brown bear (Ursus arctos) tearing and then eating the skin and flesh of a Sockeye salmon (Oncorhynchus nerka), Katmai national park, Alaska. August.

Harry Collins / Brown bear (Ursus arctos) hunting Sockeye salmon (Oncorhynchus nerka) in a river. The bear catches a fish, takes it onto the gravel and then the animal begins to feed on it. Katmai national park, Alas...