Pedro Narra / Green turtle (Chelonia mydas) hatchling caught in fishing net, Bissagos Islands, Guinea Bissau. Endangered species. 3rd Place in the SOS Especes Menacees / SOS Endangered Species Portfolio category of...

Paul Hobson / Wasps (Vespula vulgaris) swarming around jam pot at a cafe, Peak District, England, UK, August

Toby Roxburgh / Cleaning and processing of King scallops (Pecten genus) prior to auction at Brixham Harbour, Devon, England, UK, 2009.

Jeff Rotman / Fisherman holding dorsal fin cut from Scalloped Hammerhead shark {Sphyrna lewini} caught on longline, Cocos Island, Costa Rica, Pacific Ocean

Duncan Murrell / A Batak woman with her child in a sling sharpening a knife in Sitio Kalakwasan in Cleopatra's Needle Critical Habitat, Palawan, the Philippines.

Ashley Cooper / Seal meat butchered by an Inuit man, Ilulissat, Greenland, July 2008.

Jiri Lochman / Charles Knife Canyon, Cape Range National Park, Ningaloo Coast UNESCO Natural World Heritage Site, Western Australia, Australia.

Daniel Heuclin / Mentawai hunter with machete, Siberut, Sumatra, July 2015

Laurent Geslin / Eurasian lynx (Lynx lynx) footprint in snow, with Swiss army knife for scale, Switzerland, February.

Cyril Ruoso / Traditional Baka salad preparation, known as "coco", leaves chopped up on large leaf, Cameroon, South East Cameroon, July 2008.

Eric Baccega / Nenet reindeer herders, eating bread, raw reindeer meat and tea inside reindeer skin tent. Yar-Sale district, Yamal, Northwest Siberia, Russia. April 2016.

Eric Baccega / Two generations of Nenet women, an older woman and teenage girl, sewing and wearing traditional coats made of reindeer skin. Yar-Sale district, Yamal, Northwest Siberia, Russia. April 2016.

Pete Oxford / Ao Naga knives on wall, Ao Naga headhunting Tribe. Mokokchung district. Nagaland, North East India, October 2014.

Pete Oxford / Ao Naga manwith dao knife in wooden case attached to waist belt. Chang Naga headhunting tribe. Mokokchung district. Nagaland, North East India, October 2014.

Pete Oxford / Chang Naga man with dao knife in wooden dao case attached to waist belt, Chang Naga man headhunting tribe. Tuensang district. Nagaland, North East India, October 2014.

Cyril Ruoso / Man holding knife to butcher Long finned pilot whale ( Globicephala melas) Faroe Islands, August 2003.

Pete Oxford / Butchered Peter's duiker (Cephalophus callipygus) killed for bushmeat. Mbomo market, Republic of Congo (Congo-Brazzaville), Africa, June 2013.

Cheryl-Samantha Owen / Woman harvesting Chives (Allium schoenoprasum) with sharp knife on a commercial farm in Tanzania, East Africa.

Daniel Heuclin / Local Berber man preparing Spiny-tailed lizard (Uromastyx nigriventris) to cook on fire, near Ouarzazate, Morocco, October 2013.

Erlend Haarberg / Cloudy winter day at Leirbreen, with knife edge ridge / arete, on mountain, Jotunheimen National Park, Norway, March.

Jabruson / Boy with knife carrying bushmeat to market, Black-fronted Duiker (Cephalophus nigrifrons). Mbomo, Odzala-Kokoua National Park, Republic of Congo.

Roland Seitre / Japanese tuna expert with traditional cutting knife to evaluate fish quality by a cut at the base of the tail, Southern bluefin tuna (Thunnus maccoyi) in fish farm, MFE Tuna farming, Port Lincoln, Sou...

Eric Baccega / Man using a knife to harvest a Cep (Boletus edulis) growing on forest floor, Alsace, France, October.

Cyril Ruoso / Baka children making toy crossbows, Cameroon

Michael Pitts / Knife fish (Porotergus nattereri) known locally as 'Vampiro' in tributary of the Amazon, Brazil.

Gary K. Smith / Potting bench with saved seeds including a pot of Runner beans (Phaseolus coccineus) and broad beans (Vicia faba) and other gardening items

Billy Black / Knife, fishing floats and pliers next to sink on stern of yacht.

Bryan and Cherry Alexander / Inuit hunter skinning seal, Northwest Greenland, 1980. 40 BELOW bookplate.

Bryan and Cherry Alexander / Yupik Eskimo woman sharpening Ulu (traditional knife). New Chaplino, Chukotskiy Peninsula, Chukotka, Siberia, Russia, 2010

Bryan and Cherry Alexander / Boy cuts wild Chanterelle mushroom (Cantharellus sp.), in Scottish woods, UK, Europe, September 2007.

Bryan and Cherry Alexander / Nenets boy eating raw Reindeer / Caribou meat with a sharp knife. Yamal, Siberia, Russia, 1993.

Bryan and Cherry Alexander / Selection of Ulus (traditional Inuit woman's knife), Quebec, Canada, 1998.

Bryan and Cherry Alexander / Inuit woman in hunting hut using ulu (womens knife) to clean seal skin. Northwest Greenland, 1980.

Gary K. Smith / Fruit Propagation 'whip & tongue grafting' gardener grafting Apple (Malus sylvestris) onto M26 grafting stock, applying hot grafting wax to rootstock and attached scion, Sequence 7/7, UK, April

Gary K. Smith / Fruit Propagation 'whip & tongue grafting' gardener grafting Apple (Malus sylvestris) onto M26 grafting stock, applying hot grafting wax to rootstock and attached scion, Sequence 6/7, UK, April

Gary K. Smith / Fruit Propagation 'whip & tongue grafting' gardener grafting Apple (Malus sylvestris) onto M26 grafting stock, securing the scion with raffia, UK, April. Sequence 5/7

Gary K. Smith / Fruit Propagation 'whip & tongue grafting' gardener grafting Apple (Malus sylvestris) onto M26 grafting stock, applying the scion, UK, April. Sequence 4/7

Gary K. Smith / Fruit Propagation 'whip & tongue grafting' gardener grafting Apple (Malus sylvestris) onto M26 grafting stock, applying the scion, UK, April. Sequence 3/7

Gary K. Smith / Fruit Propagation 'whip & tongue grafting', gardener grafting Apple (Malus sylvestris) onto M26 grafting stock, cutting back rootstock, UK, April. Sequence 2/7

Bryan and Cherry Alexander / Inuit using Ulu (Woman's knife) to clean Polar bear (Ursus maritimus) skin. Siorapaluk, Thule, Northwest Greenland, 1977.

Bryan and Cherry Alexander / Inuit hunter on ice floe butchering Walrus (Odobenus rosmarus) using sharp knife. Moriussaq. Northwest Greenland, 1980.

Bryan and Cherry Alexander / Inuit hunter using knife to skin Ringed seal (Phoca hispida). Northwest Greenland, 1980.

Bryan and Cherry Alexander / Fine engraving on Reindeer antler sheath of a Sami knife, Finland.

Bryan and Cherry Alexander / Inuit hunter using snow knife to finish igloo. Igloolik, Nunavut, Canada, 1993.

Bryan and Cherry Alexander / Ulu (traditional Inuit woman's knife), used for scraping skins, sewing & cutting meat. Nunavut, Canada, 1992.

Bryan and Cherry Alexander / Inuit woman using Ulu (traditional Inuit woman's knife) to prepare Arctic charr (Salvelinus alpinus) for drying. Igloolik, Nunavut, Canada, 1992.

Bryan and Cherry Alexander / Inuit women using an Ulu (traditional Inuit woman's knife) to scrape fat from seal skins. Igloolik, Nunavut, Canada, 1992.

Pete Oxford / Pantanal calf being ear marked. They cut a very small notch as these cattle use their ears as sun shades. Mato Grosso do Sul Province. Brazil, South America December 2004

Peter Cairns / naturepl.com / Deer stalker butchering and processing Red deer {Cervus elaphus} hind as part of controlled cull, Glenfeshie, Cairngorms NP, Scotland, UK, June 2008

Gary K. Smith / Freshly cut Asparagus spears (Asparagus officinalis), UK, May.

Tim Laman / Man collecting honey from a honeycomb of the Giant Honeybee (Apis dorsata) using smoke to subdue the bees, a bush knife to cut the comb, and a basket to catch the honey and comb, Sundarbans, Khulna Pr...

Tim Laman / Man collecting honey from honeycomb of the Giant Honeybee (Apis dorsata) using smoke to subdue the bees, a bush knife to cut the comb and a basket to catch the honey and comb, Sundarbans, Khulna Provi...

Tim Laman / Man collecting honey from honeycomb of the Giant Honeybee (Apis dorsata) using smoke to subdue the bees, a bush knife to cut the comb and a basket to catch the honey and comb, Sundarbans, Khulna Provi...

Tim Laman / Man collecting honey from honeycomb of the Giant Honeybee (Apis dorsata) using smoke to subdue the bees, a bush knife to cut the comb and a basket to catch the honey and comb, Sundarbans, Khulna Provi...

Tim Laman / Man collecting honey from honeycomb of the Giant Honeybee (Apis dorsata) using smoke to subdue the bees, a bush knife to cut the comb and a basket to catch the honey and comb, Sundarbans, Khulna Provi...

Tim Laman / Man collecting honey from honeycomb of the Giant Honeybee (Apis dorsata) using smoke to subdue the bees, a bush knife to cut the comb and a basket to catch the honey and comb, Sundarbans, Khulna Provi...

Tim Laman / Collecting honey from a honeycomb of the Giant Honey bee (Apis dorsata) using smoke to subdue the bees, a bush knife to cut the comb and a basket to catch the honey and comb, Sundarbans, Khulna Provin...

Tim Laman / Man collecting honey from a honeycomb of the Giant Honeybee (Apis dorsata) using smoke to subdue the bees, a bush knife to cut the comb and a basket to catch the honey and comb, Sundarbans, Khulna Pro...

Tim Laman / Man collecting honey from honeycomb of the Giant Honeybee (Apis dorsata) using smoke to subdue the bees, a bush knife to cut the comb and a basket to catch the honey and comb, Sundarbans, Khulna Provi...

Tim Laman / Man collecting honey from a honeycomb of the Giant Honeybee (Apis dorsata) using smoke to subdue the bees, a bush knife to cut the comb, and a basket to catch the honey and comb, Sundarbans, Khulna Pr...

Tim Laman / Man collecting honey from honeycomb of the Giant Honeybee (Apis dorsata) using smoke to subdue the bees, a bush knife to cut the comb and a basket to catch the honey and comb, Sundarbans, Khulna Provi...

Tim Laman / Man collecting honey from honeycomb of the Giant Honeybee (Apis dorsata) using smoke to subdue the bees, a bush knife to cut the comb and a basket to catch the honey and comb, Sundarbans, Khulna Provi...

Tim Laman / Man collecting honey from honeycomb of the Giant Honeybee (Apis dorsata) using smoke to subdue the bees, a bush knife to cut the comb and a basket to catch the honey and comb, Sundarbans, Khulna Provi...

Tim Laman / Collecting honey from a honeycomb of the Giant Honey bee (Apis dorsata) using smoke to subdue the bees, a bush knife to cut the comb and a basket to catch the honey and comb, Sundarbans, Khulna Provin...

Tim Laman / Man collecting honey from a honeycomb of the Giant Honeybee (Apis dorsata) using smoke to subdue the bees, a bush knife to cut the comb, and a basket to catch the honey and comb, Sundarbans, Khulna Pr...

Tim Laman / Man collecting honey from honeycomb of the Giant Honeybee (Apis dorsata) using smoke to subdue the bees, a bush knife to cut the comb and a basket to catch the honey and comb, Sundarbans, Khulna Provi...

Tim Laman / Man collecting honey from a honeycomb of the Giant Honeybee (Apis dorsata) using smoke to subdue the bees, and a bush knife to cut the comb, and a basket to catch the honey and comb, Sundarbans, Khuln...

Tim Laman / Man collecting honey from honeycomb of the Giant Honeybee (Apis dorsata) using smoke to subdue the bees, a bush knife to cut the comb and a basket to catch the honey and comb, Sundarbans, Khulna Provi...

Tim Laman / Collecting honey from a honeycomb of the Giant Honey bee (Apis dorsata) using smoke to subdue the bees, a bush knife to cut the comb and a basket to catch the honey and comb, Sundarbans, Khulna Provin...

Tim Laman / Man collecting honey from a honeycomb of the Giant Honeybee (Apis dorsata) using smoke to subdue the bees,a bush knife to cut the comb, and a basket to catch the honey and comb, Sundarbans, Khulna Pro...

Tim Laman / Man collecting honey from honeycomb of the Giant Honeybee (Apis dorsata) using smoke to subdue the bees, a bush knife to cut the comb and a basket to catch the honey and comb, Sundarbans, Khulna Provi...

Jane Burton / South American electric knifefish {Sternarchus albifrons}, captive, from Surinam and Amazon basin

Gary K. Smith / Potting shed bench with Coriander, Basil, Parsley and Tomatoe seedlings in terracotta pots, plant labels, knife and pencil, UK

Gary K. Smith / Gardener cutting Asparagus spears with traditional knife , UK, June

Gary K. Smith / Potting shed bench with Coriander, Basil and Parsley herb seedlings in terracotta pots, plant labels, knife and pencil, UK

Pete Oxford / Chinese knife sharpener in Hutong, an old neighbourhood of Beijing, China 2006

Niall Benvie / Girl in a Norwegian naturbarnehage (nature nursery) learning to use a knife to whittle wood, Trondheim, Norway, 2006

Niall Benvie / Girl in a Norwegian naturbarnehage (nature nursery) learning to use a knife to whittle wood, Trondheim, Norway, 2006

Pete Oxford / Colorado indian man with hair dyed with Achiote seeds, Ecuador, Santo Domingo de Los Colorados

Flip Nicklin / Shark fishing, several dead sharks aboard boat, fisherman cutting fin, Costa Rica

Pete Oxford / Ese'eja indian 'castanera', Brazil nut collector, Heath river, Amazonia, Peru

Jose B. Ruiz / Knife Edge Point, Victoria Falls, Zambezi River. Victoria Falls NP Zambia

Jose B. Ruiz / Knife Edge Point, Victoria Falls NP, Zambezi River, Africa

Marguerite Smits Van Oyen / Afar tribesman mining salt, Lac Assal, Djibouti, East Africa. 150m below sea level. sea water

Jeff Rotman / Close-up of knife-like marking at base of tail on Eyestripe surgeonfish (Acanthurus dussumieri) Great barrier reef

Cyril Ruoso / Baka women collecting the seeds of fruit, Cameroon

Cyril Ruoso / Baka tribe hunting camp with a tribe member holding a knife, Cameroon

Cyril Ruoso / Baka woman is cutting very thin pieces of a leaf for food, Cameroon

Onne van der Wal / Cook preparing a dolphin fish on the stern of a sailboat, Dominican Republic, Caribbean.

Onne van der Wal / Local fishing boats on the beach with dead fish and a knife in foreground, Mexico.

Bryan and Cherry Alexander / While cleaning fish, Alukie uses an Ulu (an Inuit woman's knife) to remove a fish eye. Pangnirtung, Nunavut, Canada, April 2008.

Onne van der Wal / Cook preparing a dolphinfish on the stern of a sailboat, Dominican Republic, Caribbean.

Onne van der Wal / Cook filleting a dolphinfish on the stern of a sailboat, Dominican Republic, Caribbean.

Onne van der Wal / Cook filleting a dolphinfish on the stern of a sailboat, Dominican Republic, Caribbean. Model and Property Released.

Pete Oxford / Domestic Cattle (Bos taurus) bull killed for meat at a hacienda in the Andes Mountains, Ecuador

Charlie Hamilton-James / Rangers from Mara Conservancy and Anne K Taylor Fund removing tusks from juvenile Elephant (Loxodonta africana) carcass, possibly poisoned. Tusks are removed to prevent them being illegally taken, Mas...