Martha Holmes / Edge of large piece of ice sheet drifting in sea. Antarctic Peninsula. February 2008.

Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) juvenile male 'Mobangi' aged 5 years feeding on fruit while holding a piece of rotting wood which he will eat later, Bai Hokou, Dzanga Sangha Special...

Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) juvenile male 'Mobangi' aged 5 years feeding on fruit while holding a piece of rotting wood which he will eat later, Bai Hokou, Dzanga Sangha Special...

Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) juvenile male 'Mobangi' aged 5 years feeding on fruit while holding a piece of rotting wood which he will eat later, Bai Hokou, Dzanga Sangha Special...

Roy Mangersnes / Polar bear (Ursus maritimus) holding piece of ice after licking off freshwater, Spitsbergen, Svalbard, Norway, August

Bryan and Cherry Alexander / Emperor penguin (Aptenodytes forsteri) chicks playing with a piece of ice as they wait for their next meal. Snow Hill Island, Antarctica, October.

Pete Oxford / Macushi woman preparing cassava bread from Cassava / Yuca (Manihot esculenta), crop is harvested, peeled, grated, squeezed to a matape, sieved, and roasted into a large flat piece of bread, Fairview...

Alex Mustard / Two Atlantic spotted dolphins (Stenella frontalis) over a shallow sand bank. On the left is a juvenile which does not have the characteristic spots of the adults. The adult is carrying a piece of weed...

Bryan and Cherry Alexander / Piece of ice the size of a house crashing into Rype Fiord from Eielson Glacier. Scoresbysund, East Greenland, 2005.

Inaki Relanzon / Baroque altar piece in Nativity of Durro Church, romanesque church from XII century, and UNESCO world heritage, in the Boí Valley, Pyrenees, Lleida, Catalonia, Spain.July 2009

Wild Wonders of Europe / Ziegler / Antlion (Myrmelentidae) on piece of wood, Patras area, The Peloponnese, Greece, May 2009

Wild Wonders of Europe / Varesvuo / Griffon vulture (Gyps fulvus) lifting leg with small piece of flesh on beak, Extremadura, Spain, April 2009

Steven Kazlowski / Polar bear {Ursus maritimus} playing with a piece of meat, Coastal plain of the Arctic National Wildlife Refuge, Alaska.

PREMAPHOTOS / Leafcutter bee cutting piece off rose leaf (Megachile willughbiella) UK

PREMAPHOTOS / Leafcutter ant cutting off a piece of leaf. (Atta cephalotes) Costa Rica

Konrad Wothe / Leafcutter Ant (Attini sp) carrying leaf piece back to nest with smaller ant riding on leaf, small ant defends larger worker from parasitic flies, Honduras

Chris Newbert / Decorator Crab, holding a broken piece of Sea Fan as camouflage, night, Red Sea

Jabruson / Alequadio Toma holds a piece of freshly made charcoal. The fuel is being readied for collection after its manufacture near the Sao Nicolau Plantation - close to the Obo National Park and the Bom Suces...

David Woodfall / Botanist using eye piece to identify Black Stem Rust, a fungus species which threatens future of world wheat crops. Radnorshire, Wales, UK, June.

David Woodfall / Botanist Ray Woods identifying grass species with an eye piece. Radnorshire Wildlife Trust Nature Reserve, Wales, UK, June.

Anup Shah / Spotted hyaena (Crocuta crocuta) stealing a piece of a lion kill, Masai Mara National Reserve, Kenya. March

Anup Shah / Spotted hyaena (Crocuta crocuta) running with a piece of carcass in its mouth, Masai Mara National Reserve, Kenya. March

Alex Hyde / Harvestman (Oligolophus hanseni) found on the underside of a piece of limestone, Peak District National Park, Derbyshire, UK. November.

Bert Willaert / Bedriaga's skink (Chalcides bedriagai) on piece of cork bark, Extremadura, Spain, April.

Steven Kazlowski / Polar bear (Ursus maritimus) pair of spring cubs play tug-o-war with a piece of whale remains during freeze up, 1002 area of the Arctic National Wildlife Refuge, North Slope, Alaska, USA

Steven Kazlowski / Polar bear (Ursus maritimus) cub plays with a piece of bowhead whale baleen (Balaena mysticetus)along the arctic coast at sunrise, 1002 area of the Arctic National Wildlife Refuge, North Slope, Alaska...

Fiona Rogers / Western lowland gorilla (Gorilla gorilla gorilla) infant 'Sopo' aged 18 months sucking on a piece of rotten wood, Bai Hokou, Dzanga Sangha Special Dense Forest Reserve, Central African Republic. Decem...

Fiona Rogers / Western lowland gorilla (Gorilla gorilla gorilla) juvenile male 'Mobangi' aged 5 years feeding on fruit while holding a piece of rotting wood which he will eat later, Bai Hokou, Dzanga Sangha Special...

Fiona Rogers / Western lowland gorilla (Gorilla gorilla gorilla) juvenile male 'Mobangi' aged 5 years feeding on fruit while holding a piece of rotting wood which he will eat later, Bai Hokou, Dzanga Sangha Special...

Sandra Bartocha / Piece of ice on washed up on shore of Baltic sea, Germany, February 2010

Solvin Zankl / Threads of protoplasma by foraminifera (Sagenina frondescens) on a piece of sea shell with agglutinated sand particles from Raja Ampat, Indonesia. Digital focus stacking image

Michael D. Kern / Bell's anglehead agama (Gonocephalus bellii) on piece of wood with colourful dewlap visible, captive, from SE Asia

Roy Mangersnes / Spotted hyena (Crocuta crocuta) by a small lagoon with a piece of Buffalo skin in mouth, Okavango, Botswana, November.

Martin Willis / Tasmanian Devil (Sarcophilus harrisii) carrying away piece of carcass, Woodbridge, Tasmania, Australia

David Woodfall / High end glass art piece created from recycled art project using recycled materials with unemployed and disabled volunteers, Res a Rec project, Hafod Swansea, Wales, UK 2009

Wild Wonders of Europe / Möllers / Hundreds of small black ants feeding on a piece of bread on street, Pont-du-Chateau, Auvergne, France, August 2010

Dave Watts / Rabbit (Oryctolagus cuniculus) feeding on long piece of grass, Tasmania, Australia, January

Benoit Stichelbaut / Skipper Pascal Bidegorry aboard Maxi yacht "Banque Populaire V", practicing off Cadiz, Spain. March 2009.

Roy Mangersnes / Juvenile Bearded vulture (Gypaetus barbatus) with a piece of bone, Northern Spain, February

Alex Mustard / Stippled clingfish (Gobiesox punctulatus) attached to a piece of wood in shallow water, West Bay, Grand Cayman, Cayman Islands, British West Indies, Caribbean Sea.

Brent Stephenson / Group of Crabeater Seals (Lobodon carcinophaga) hauled out on a small piece of ice. Lemaire Channel, Antarctic Peninsula, Antarctica, January.

Brent Stephenson / Leopard Seal (Hydrurga leptonyx) lying on a piece of sea ice. Penola Strait, Antarctic Peninsula, Antarctica, December.

Hanne & Jens Eriksen / Plain chachalaca (Ortalis vetula) standing on piece of wood, Texas, USA, January

Alex Mustard / 2020VISION / Male Fifteen spined stickleback (Spinachia spinachia) building his nest, Note how a discarded orange piece of fishing line has been incorporated. Babbacombe Bay, Torbay, Devon, UK, April

Kathryn Jeffs / Adelie penguin (Pygoscelis adeliae) adult pecking off piece of ice, Antarctica, February, Taken on location for BBC Frozen Planet series

Kathryn Jeffs / Adelie penguin (Pygoscelis adeliae) adult pecking off piece of ice, Antarctica, February, Taken on location for BBC Frozen Planet series

Ernie Janes / Aerial view of seals gathered together on last piece of dry sand as the tide rises, Blakeney Point, Norfolk, UK, September

Ernie Janes / Aerial view of seals gathered together on last piece of dry sand as the tide rises, Blakeney Point, Norfolk, UK, September

Ernie Janes / Aerial view of seals gathered together on last piece of dry sand as the tide rises, Blakeney Point, Norfolk, UK, September

Anup Shah / Bonobo (Pan paniscus) juvenile male holding a piece of wood, sitting, Lola Ya Bonobo Sanctuary, Democratic Republic of Congo. October.

Bryan and Cherry Alexander / Inuit woman chewing on a piece of sealskin to soften it. Igloolik, Nunavut, Canada, 1987. Editorial use only.

Bryan and Cherry Alexander / Ripples at the centre of a clear piece of glacier ice, Antarctica, 2009.

Bryan and Cherry Alexander / Texture on small piece of clear iceberg ice, Antarctica, 2009.

Bryan and Cherry Alexander / Ripples at the centre of a clear piece of glacier ice, Antarctica, 2009.

Brent Stephenson / Bearded Seals (Erignathus barbatus) hauled out on a small piece of sea ice. Pyramiden, Svalbard, June.

Pete Oxford / Common Squirrel Monkey (Saimiri sciureus) with a piece of food in its hand. Captive. Ecuador.

Yva Momatiuk & John Eastcott / Torresian Crow (Corvus orru) with piece of road-killed kangaroo flesh in beak, Northern Territory, Australia

Juergen Freund / Fierce Saddleback Anemonefish (Amphiprion polymnus) pair protect their freshly laid eggs on a piece of drift wood beside the anemone, Palawan, Philippines.

Eric Baccega / Inuit man cutting a piece of Narwhal (Monodon monoceros) skin and fat (muktuk), traditional food in Inuit culture. Floe edge, Arctic Bay, Nunavut, Canada, June.

Eric Baccega / Inuit man cutting a piece of Narwhal (Monodon monoceros) skin and fat (muktuk), traditional food in Inuit culture. Floe edge, Arctic Bay, Nunavut, Canada, June.

Juergen Freund / Brightly coloured Nudibranch (Nembrotha kubaryana) perched on a piece of coral. Lembeh Strait, North Sulawesi, Indonesia

Juergen Freund / Brightly coloured Nudibranch (Nembrotha kubaryana) perched on a piece of coral. Lembeh Strait, North Sulawesi, Indonesia

Juergen Freund / Carver Huimes Namusu carving a bowl out of piece of coconut tree trunk, Marovo Lagoon, Solomon Islands, Melanesia, Pacific, July 2010.

Mark Taylor / Two baby guinea pigs sharing a piece of grass.

Juergen Freund / Robust ghost pipefish (Solenostomus cyanopterus) on the sandy bottom, looking like a piece of seagrass. Lembeh Strait, North Sulawesi, Indonesia.

Tim Laman / Great Bowerbird (Chlamydera nuchalis) male displaying to a female in his bower while holding a piece of pink cloth. This male has decorated his bower with green glass, white plastic, grey plastic, and...

Tim Laman / Great Bowerbird (Chlamydera nuchalis) male displaying to a female who has entered his bower. He holds one of his prize decorations (a piece of grey plastic) in his beak. The bower has green and white...

Chien Lee / Stick Insect (Neoclides laceratus) camouflaged perfectly with a mossy piece of wood, Gunung Mulu National Park, Malaysia

Pete Oxford / Macushi woman preparing cassava bread from Cassava / Yuca (Manihot esculenta), crop is harvested, peeled, grated, squeezed to a matape, sieved, and roasted into a large flat piece of bread, Fairview...

Pete Oxford / Macushi woman preparing cassava bread from Cassava / Yuca (Manihot esculenta), crop is harvested, peeled, grated, squeezed to a matape, sieved, and roasted into a large flat piece of bread, Fairview...

Pete Oxford / Macushi woman preparing cassava bread from Cassava / Yuca (Manihot esculenta), crop is harvested, peeled, grated, squeezed to a matape, sieved, and roasted into a large flat piece of bread, Fairview...

Pete Oxford / Macusha woman and children preparing cassava bread from Cassava / Yuca (Manihot esculenta), crop is harvested, peeled, grated, squeezed to a matape, sieved, and roasted into a large flat piece of bre...

Pete Oxford / Macushi woman preparing cassava bread from Cassava / Yuca (Manihot esculenta), crop is harvested, peeled, grated, squeezed to a matape, sieved, and roasted into a large flat piece of bread, Fairview...

Pete Oxford / Macushi woman preparing cassava bread from Cassava / Yuca (Manihot esculentus), crop is harvested, peeled, grated, squeezed to a matape, sieved, and roasted into a large flat piece of bread, Fairview...

Pete Oxford / Macushi woman preparing cassava bread from Cassava / Yuca (Manihot esculenta), crop is harvested, peeled, grated, squeezed to a matape, sieved, and roasted into a large flat piece of bread, Fairview...

Anup Shah / Lion cub (Panthera leo), aged about 9 months, playing with a piece of grass. Masai Mara National Reserve, Kenya, August 2009

Petra Wegner / Two Guinea Pigs (Cavia porcellus) white/black and tan short coated, on garden lawn feeding on piece of apple.

Petra Wegner / Two Guinea Pigs (Cavia porcellus) white/black and tan short coated, on garden lawn feeding on piece of apple.

Doug Perrine / Dolphin fish / Mahi mahi / Dorado (Coryphaena hippurus) feeding on a piece of bait, off Isla Mujeres, near Cancun, Yucatan Peninsula, Mexico, Caribbean Sea

Aflo / American shorthair kitten on chess board chewing a piece held between paws

Stephen Dalton / Common wasp (Vespula vulgaris) about to take-off with piece of ham meat, UK

Stephen Dalton / Common wasp (Vespula vulgaris) taking-off with piece of ham meat, UK

Tim Laman / A piece of Ambergris, a substance produced in the digestive system of Sperm whales (Physeter macrocephalus), found on the beach by locals in the Tuamotu Islands, French Polynesia.

Tim Laman / A piece of waxy material found on a beach claimed by local islanders to be spermaciti from a sperm whale. However this is unverified, Takapoto Atoll, Tuamotu Islands, French Polynesia.

Vincent Grafhorst / Augur Buzzard (Buteo rufofuscus) flying off with a big piece of bone, Giant's Castle Nature Reserve, South Africa

Vincent Grafhorst / White-necked Raven (Corvus albicollis) scavenging a piece of bone, Giant's Castle Nature Reserve, South Africa

Vincent Grafhorst / White-necked Raven (Corvus albicollis) scavenging a piece of bone, Giant's Castle Nature Reserve, South Africa

Xi Zhinong / Yunnan Snub-nosed Monkey (Rhinopithecus bieti) holding a piece of lichen in its mouth, Baima Snow Mountain, Yunnan, China

Jeff Rotman / Diver finds a 24kt gold piece weighing 26 pounds during the recovery of the shipwreck "Las Maravillas", a Spanish galleon sunk in 1658, Bahamas. 1987

Stephen Dalton / Brown rat (Rattus norvegicus) walking along piece of wood, UK, controlled conditions

Sue Daly / Coastal landscape with gorse and a rusty old piece of metal machinery in the foreground, West coast of Sark, Channel Isles, UK, summer 2009

Stephen Dalton / African grey parrot (Psittacus erithacus) feeding on piece of lychee fruit, controlled conditions, Endangered species

Anup Shah / Rufous-naped lark (Mirafra africana) perched on a piece of wood. Masai Mara National Reserve, Kenya. February

Anup Shah / Rufous-naped lark (Mirafra africana) perched on a piece of wood, Masai Mara National Reserve, Kenya. February

Edwin Giesbers / Juvenile Western lowland gorilla (Gorilla gorilla gorilla) playing with piece of wood, Endangered species. Captive; Apenheul zoo; the Netherlands.

Dietmar Nill / White tailed sea eagle (Haliaeetus albicilla) two in flight, one has dropped piece of carrion, Hokkaido, Japan