Nature Production / Bombardier Beetle (Pheropsophus jessoensis) protecting itself by ejecting a boiling, noxious chemical spray, Nagasaki, Japan.

Ole Jorgen Liodden / Arctic tern (Sterna paradisaea) attacking an Arctic Fox (Vulpes / Alopex lagopus) protecting its nest site, Spitsbergen, Svalbard, Norway. Highly commended, MAMMALS, GDT 2011 competition

Brandon Cole / Great white shark (Carcharodon carcharias) attacking below surface. Dyer Is, South Africa NOT FOR SALE IN USA, DIGITALLY ENHANCED

Todd Pusser / Killer whale {Orcinus orca} attacking Dusky dolphin Kaikoura New Zealand

David Pattyn / Mute swan (Cygnus olor) in a threathening territorial pose and attacking a rival, Lake Geneva, near Geneva, Switzerland, March

Ben Cranke / African fish eagle (Haliaeetus vocifer) attacking a female Saddle-billed Stork (Ephippiorhyncus senegalensis )trying to steal a fish it has just caught. Liuwa Plains National Park, Zambia

Ben Cranke / King Penguins (Aptenodytes patagonicus) approached by an Antarctic Fur Seal (Arctocephalus gazella). A few pecks from the penguins caused the seal to retreat. Southern elephant seal (Mirounga leonina)...

Sven Zacek / Ural Owl (strix uralensis) female with talons ready to attack a ringing ornithologist, Tartumaa county, Southern Estonia. May.

Dave Bevan / Slow motion clip of a Great spotted woodpecker (Dendrocopos major) returning to nest hole, attacked by a Nuthatch (Sitta europaea), Carmarthenshire, Wales, UK, April.

Marie Read / American avocets (Recurvirostra americana) two during aggressive (territorial) encounter, Bear River Migratory Bird Refuge, Utah, USA, May.

Marie Read / Canada geese (Branta canadensis) two during territorial fight in early spring, Ithaca. New York, USA

John Chan / Western gulls (Larus occidentalis) attacking an Elegant tern (Thalasseus elegans) with a broken wing, Southern California, USA, April.

David Perpinan / Grey heron (Ardea cinerea) chick trying to force its parent to regurgitate food, with another chick leaning in, chased away by adult, Barcelona, Spain, May.

Neil Aldridge / Lion cub (Panthera leo) playfully attacking its mother as she drags her puku antelope prey across burnt Busanga Plains, Kafue National Park, Zambia. Vulnerable

Sergey Gorshkov / Lionesses (Panthera leo) trying to bring down African buffalo (Syncerus caffer) Londolozi Private Game Reserve, Sabi Sand Game Reserve, South Africa. Sequence 5 of 5

Andy Rouse / Bengal tiger (Panthera tigris tigris) female 'Noor T19' bringing down Sambar deer (Rusa unicolor) Ranthambhore, India. Sequence 6 of 18.

Claudio Contreras / Atlantic sailfish (Istiophorus albicans) attacking school of Sardine (Sardinella aurita) bait ball, Isla Mujeres, Caribbean Sea, Mexico, February

Wim van den Heever / Leopard (Panthera pardus) hunting Springbok (Antidorcas marsupialis) Etosha, Namibia, Sequence 4 of 5

Wim van den Heever / Leopard (Panthera pardus) hunting Springbok (Antidorcas marsupialis) Etosha, Namibia, Finalist in the Mammals Category of the Wildlife Photographer of the Year 2015.

Sven Zacek / Ravens (Corvus corax) fighting in bog during snowfall, Tartumaa, Estonia. December.

Solvin Zankl / Black backed jackal (Canis mesomelas) attacking Cape fur seal (Arctocephalus pusillus) pup, Sperrgebiet National Park, Namibia, December. Sequence 3/6

David Pattyn / Great crested grebe (Podiceps cristatus) attacking another grebe in the mating season during a territorial dispute. The Netherlands. April.

Konrad Wothe / Male Chimpanzees (Pan troglodytes) attacking the alpha male of their troop, Mahale Mountains National Park, Tanzania.

Konrad Wothe / Showreel of Male Chimpanzees (Pan troglodytes) attacking the alpha male of their troop, Mahale Mountains National Park, Tanzania.

Bence Mate / Barn swallow (Hirundo rustica) mobbing Euasian Kestrel (Falco tinnunculus) Pusztaszer, Hungary, June.

Mark Taylor / Ginger kitten leaping towards a Pug puppy. Digital composite. NOT AVAILABLE FOR BOOK USE

Chris & Monique Fallows / Great white shark (Carcharodon carcharias) breaching whilst attacking seal decoy, Seal Island, False Bay South Africa.

Chris & Monique Fallows / Great white shark (Carcharodon carcharias) breaching whilst attacking seal decoy, Seal Island, False Bay South Africa.

Chris & Monique Fallows / Great white shark (Carcharodon carcharias) breaching whilst attacking seal decoy, Seal Island, False Bay South Africa.

Chris & Monique Fallows / Great white shark (Carcharodon carcharias) breaching whilst attacking seal decoy, Seal Island, False Bay South Africa.

Chris & Monique Fallows / Great white shark (Carcharodon carcharias) breaching whilst attacking seal decoy, Seal Island, False Bay South Africa.

Chris & Monique Fallows / Great white shark (Carcharodon carcharias) attacking Cape fur seal (Arctocephalus pusillus) Seal Island South Africa.

Chris & Monique Fallows / Great white shark (Carcharodon carcharias) breaching whilst attacking seal decoy, Seal Island, False Bay South Africa.

Chris & Monique Fallows / Great white shark (Carcharodon carcharias) breaching whilst attacking seal decoy, Seal Island, False Bay South Africa.

Chris & Monique Fallows / Great white shark (Carcharodon carcharias) breaching whilst attacking seal decoy, Seal Island, False Bay South Africa.

Chris & Monique Fallows / Great white shark (Carcharodon carcharias) breaching whilst attacking seal decoy, Seal Island, False Bay South Africa.

Chris & Monique Fallows / Great white shark (Carcharodon carcharias) breaching whilst attacking seal decoy, Seal Island, False Bay South Africa.

Chris & Monique Fallows / Great white shark (Carcharodon carcharias) breaching whilst attacking seal decoy, Seal Island, False Bay South Africa.

Chris & Monique Fallows / Great white shark (Carcharodon carcharias) breaching whilst attacking seal decoy, Seal Island, False Bay South Africa.

Chris & Monique Fallows / Great white shark (Carcharodon carcharias) attacking Cape fur seal (Arctocephalus pusillus) Seal Island South Africa.

Pal Hermansen / Sparrowhawk (Accipiter nisus) attacking Jay (Garrulus glandarius) Telemark, Norway, September

Ammonite / Two male Mining bees (Andrena praecox) attacking a third male bee emerging from a hole with orchid pollinia attached, France, March.

Anup Shah,Anup Shah / Male lion (Panthera leo) in confrontation with Cape buffalo (Syncerus caffer). Masai Mara National Reserve, Kenya, July

Anup Shah,Anup Shah / Male lion (Panthera leo) in confrontation with Cape buffalo (Syncerus caffer) Masai Mara National Reserve, Kenya

Barrie Britton / Wasp (Ropalidia species) attacking Mantellid Frog Tadpoles (Guibemantis species) on leaf overhanging pond. Tadpoles escape by dropping into water. Association Mitsinjo Reserve, Andasibe, Madagascar. P...

Ammonite / Group of Wood ants (Formica rufa) attacking House centipede (Scutigera coleoptrata), Dorset, England, UK, April. Sequence 1/3.

Jurgen Freund,Jurgen Freund / Green Tree Ants (Oecophylla smaragdina) attacking Common House Gecko (Hemidactylus frenatus) Cairns, Queensland, Australia

Staffan Widstrand / Polar Bear (Ursus maritimus) mobbed by possibly a Skua, Svalbard, Norway, July