Bence Mate / Leafcutter ants (Atta sp) colony harvesting a banana leaf, Costa Rica. 3rd place in the Insects and Spiders category of the Terre Sauvage Nature Images Awards competitions 2015.

Nick Upton / Eurasian beaver (Castor fiber) gnawing the trunk of a Willow tree (Salix sp.) in woodland enclosure at night. Devon Beaver Project, run by Devon Wildlife Trust, Devon, UK, April. Taken by a remote cam...

Sven Zacek / Trees that have been gnawed by Beavers (Castor fiber) Southern Estonia, October.

David Woodfall / Alder Tree (Alnus glutinosa ) eaten at its base by Beaver (Castor fiber) Bevis Trust, Carmarthenshire, Wales, UK, June.

David Woodfall / Alder Tree (Alnus glutinosa ) eaten at its base by Beaver (Castor fiber) Bevis Trust, Carmarthenshire, Wales, UK, June.

David Woodfall / Alder Tree (Alnus glutinosa ) eaten at its base by Beaver (Castor fiber) Bevis Trust, Carmarthenshire, Wales, UK, June.

David Woodfall / Alder Tree (Alnus glutinosa ) eaten at its base by Beaver (Castor fiber) Bevis Trust, Carmarthenshire, Wales, UK, June.

David Fleetham / Green turtle (Chelonia mydas) with rear right fin bitten away by a Tiger shark (Galeocerdo cuvieri), Hawaii.

Matthew Maran / Oak tree (Quercus robur) with Grey squirrel (Sciurus carolinensis) damage, Devon, England, UK, July.

Matthew Maran / Goat willow (Salix caprea) felled by a Eurasian beaver (Castor fiber) with teeth marks The riverside tree will resprout with new shoots supplying a source of food for the beavers for years to come. De...

Matthew Maran / Goat willow (Salix caprea) felled by a Eurasian beaver (Castor fiber). The riverside tree will resprout with new shoots supplying a source of food for the beavers for years to come. Devon, England, UK...

Chris Gomersall / Close-up of breaching Short-beaked common dolphin (Delphinus delphis), showing tooth marks inflicted by other dolphins - probably during courtship. Hebrides, Scotland. July .

Paul Williams / Bite marks on a tree caused by a North American porcupine (Erethizon dorsatum), Vermont, USA. (Habituated rescued individual returned to the wild)

Paul Williams / Bite marks on a tree caused by a North American porcupine (Erethizon dorsatum), Vermont, USA. (Habituated rescued individual returned to the wild)

Paul Williams / Bite marks on a tree caused by a North American porcupine (Erethizon dorsatum), Vermont, USA. (Habituated rescued individual returned to the wild)

Paul Williams / Bite marks on a tree caused by a North American porcupine (Erethizon dorsatum), Vermont, USA. (Habituated rescued individual returned to the wild)

Ingo Arndt / European beaver (Castor fiber) fresh bite marks on beech tree, from feeding on bark , Spessart, Germany, November.

Ingo Arndt / European beaver (Castor fiber) fresh bite marks on beech tree , Spessart, Germany, February.

Ingo Arndt / European beaver (Castor fiber) fresh bite marks on beech tree , Spessart, Germany, February.

Ingo Arndt / European Beaver (Castor fiber) fresh bite marks on huge (80cm in diameter) beech tree , Spessart, Germany, November.

Wild Wonders of Europe / Widstrand / Beech trees (Fagus sylvatica) with bark gnawed by horses, Linden Tree Retreat & Ranch, Velika Plana, Velebit Mountains Nature Park, Croatia, April 2014.

Tony Wu / Bryde's whale (Balaenoptera edeni) female's carcass covered with bites from cookie cutter sharks, indicating that the whale spent substantial time in deep water, where cookie cutter sharks reside. Gul...

SCOTLAND: The Big Picture / Scots pine (Pinus sylvestis) cone partially chewed / eaten by a Red squirrel (Sciurus vulgaris) on lichen covered forest floor. Cairngorms National Park, Highlands, Scotland, UK, August 2016.

SCOTLAND: The Big Picture / Alder (Alnus glutinosa) tree felled by Eurasian beaver (Castor fiber), Knapdale Forest, Argyll, Scotland, UK, June 2016.

SCOTLAND: The Big Picture / Alder (Alnus glutinosa) tree felled by Eurasian beaver (Castor fiber), Knapdale Forest, Argyll, Scotland, UK, June 2016.

SCOTLAND: The Big Picture / Alder (Alnus glutinosa) tree felled by Eurasian beaver (Castor fiber), Knapdale Forest, Argyll, Scotland, UK, June 2016.

SCOTLAND: The Big Picture / Tree with signs of Eurasian beaver (Castor fiber) feeding activity, Knapdale Forest, Argyll, Scotland, UK, June.

SCOTLAND: The Big Picture / Felled tree, a sign of Eurasian beaver (Castor fiber) feeding activity, Knapdale Forest, Argyll, Scotland, UK, June.

SCOTLAND: The Big Picture / Felled tree, a sign of Eurasian beaver (Castor fiber) feeding activity, Knapdale Forest, Argyll, Scotland, UK, June.

SCOTLAND: The Big Picture / Felled tree with signs of Eurasian beaver (Castor fiber) feeding activity, Knapdale Forest, Argyll, Scotland, UK, June.

SCOTLAND: The Big Picture / Eurasian beaver (Castor fiber) feeding at night, Knapdale Forest, Argyll, Scotland, UK, June.

SCOTLAND: The Big Picture / Eurasian beaver (Castor fiber) feeding at night, Knapdale Forest, Argyll, Scotland, UK, June.

SCOTLAND: The Big Picture / Trees and stumps with evidence of Eurasian beaver (Castor fiber) feeding activity, Knapdale Forest, site of Scottish Beaver Trial, Argyll, Scotland, UK, June.

SCOTLAND: The Big Picture / Tree with signs of Eurasian beaver (Castor fiber) feeding activity, Knapdale Forest, site of Scottish Beaver Trial, Argyll, Scotland, UK, June.

SCOTLAND: The Big Picture / Tree felled by Eurasian beaver (Castor fiber) feeding activity, Knapdale Forest, site of Scottish Beaver Trial, Argyll, Scotland, UK, June.

Pal Hermansen / Human leg covered in Mosquito (Culicidae) bites.

Daniel Heuclin / Green rat snake (Boiga cyanea) bite marks on human hand. Venomous species.

Roland Seitre / Black Rhinoceros (Diceros bicornis) with ear bitten by hyena while it was a calf, Imire Safari Ranch, Zimbabwe

Simon Colmer / Planks on building showing feeding marks of wasps and hornets, which chew the wood to make pulp for their nests. Sussex, UK, May.

Nick Upton / Downy birch tree (Betula pubescens) heavily gnawed by Eurasian beavers (Castor fiber) and close to being felled, in large enclosure, Devon Beaver Project, Devon Wildlife Trust, Devon, UK, May.

Nick Upton / Eurasian beaver (Castor fiber) holding a branch and rolling it with its front feet and gnawing off the bark. At feeding station at the margin of pond in woodland enclosure at night. Devon Beaver Proje...

Nick Upton / Eurasian beaver (Castor fiber) holding a branch and rolling it with its front feet and gnawing off the bark at a feeding station in the margins of a pond, in enclosure at night, Devon Beaver Project,...

Nick Upton / Toothmarks left by Eurasian beaver (Castor fiber) that has stripped bark from a cut tree branch within a large woodland enclosure, Devon Beaver Project, Devon Wildlife Trust, Devon, UK, April 2015.

Nick Upton / Toothmarks left by Eurasian beaver (Castor fiber) that has stripped bark from a cut tree branch within a large woodland enclosure, Devon Beaver Project, Devon Wildlife Trust, Devon, UK, April 2015.

Nick Upton / Toothmarks of Eurasian beavers (Castor fiber) on Willow tree (Salix sp.) trunk within a large woodland enclosure, Devon Beaver Project, Devon Wildlife Trust, Devon, UK, April 2015.

Nick Upton / Willow tree (Salix sp.) heavily gnawed by Eurasian beavers (Castor fiber) within a large woodland enclosure, Devon Beaver Project, Devon Wildlife Trust, Devon, UK, April.

Nick Upton / Willow tree (Salix sp.) trunk heavily gnawed by Eurasian beavers (Castor fiber) within a large woodland enclosure, Devon Beaver Project, Devon Wildlife Trust, Devon, UK, April.

Nick Upton / Willow tree (Salix sp.) trunk heavily gnawed by Eurasian beavers (Castor fiber) within a large woodland enclosure, Devon Beaver Project, Devon Wildlife Trust, Devon, UK, April.

Nick Upton / Willow tree (Salix sp.) heavily gnawed by Eurasian beavers (Castor fiber) within a large woodland enclosure, Devon Beaver Project, Devon Wildlife Trust, Devon, UK, April.

Nick Upton / Willow tree (Salix sp.) heavily gnawed by Eurasian beavers (Castor fiber) within a large woodland enclosure, Devon Beaver Project, Devon Wildlife Trust, Devon, UK, April.

Nick Upton / Willow trees (Salix sp.) gnawed and felled by Eurasian beavers (Castor fiber), Wiltshire, UK, April.

Nick Upton / Young Willow tree (Salix sp.) felled by Eurasian beavers (Castor fiber), Gloucestershire, UK, April.

Nick Upton / Young Willow trees (Salix sp.) felled and gnawed by Eurasian beavers (Castor fiber), Gloucestershire, UK, April.

Nick Upton / Young Willow tree (Salix sp.) felled by Eurasian beavers (Castor fiber), Gloucestershire, UK, April.

Nick Upton / Young Willow tree (Salix sp.) felled by Eurasian beavers (Castor fiber), Gloucestershire, UK, April.

Nick Upton / Willow tree (Salx sp.) gnawed by Eurasian beavers (Castor fiber) with their lodge and pond in the background within a large woodland enclosure, Devon Beaver Project, Devon Wildlife Trust, Devon, UK, F...

Nick Upton / Willow tree (Salx sp.) gnawed by Eurasian beavers (Castor fiber) with their lodge in the background within a large woodland enclosure, Devon Beaver Project, Devon Wildlife Trust, Devon, UK, February 2...

Nick Upton / Eurasian beaver (Castor fiber) holding and rolling a cut branch with its front feet and gnawing off the bark. At feeding station at the margin of pond in woodland enclosure at night. Devon Beaver Proj...

Nick Upton / Eurasian beaver (Castor fiber) holding a branch and rolling it with its front feet and gnawing off the bark. At feeding station at the margin of pond in woodland enclosure at night. Devon Beaver Proje...

Nick Upton / Eurasian beaver (Castor fiber) holding a stick with its front feet and gnawing off the bark. At feeding station at the margin of pond in woodland enclosure at night. Devon Beaver Project, run by Devon...

Nick Upton / Eurasian beaver (Castor fiber) male using its teeth to strip bark from a Willow tree (Salix sp.) in woodland enclosure at night, Devon Beaver Project, run by Devon Wildlife Trust, Devon, UK, April. Ta...

Nick Upton / Eurasian beaver (Castor fiber) placing a branch stripped of bark on its dam in woodland enclosure at night, Devon Beaver Project, run by Devon Wildlife Trust, Devon, UK, April. Taken by a remote camer...

Nick Upton / Eurasian beaver (Castor fiber) placing a branch stripped of bark on its dam in woodland enclosure at night, Devon Beaver Project, run by Devon Wildlife Trust, Devon, UK, April. Taken by a remote camer...

Wild Wonders of Europe / Zankl / Tree trunk gnawed by Beaver (Castor fiber) Peene river, Anklam, Germany, June.

Wild Wonders of Europe / Zankl / Tree trunk gnawed by Beaver (Castor fiber) Peene river, Anklam, Germany, June.

Philippe Clement / Roe deer (Capreolus capreolus) antler, showing teeth marks where it has been gnawed upon by mice, squirrels and other rodents for Calcium, Magnesium and other minerals, UK

Philippe Clement / Close-up of the shed antler of a Roe deer (Capreolus capreolus), showing teeth marks where it has been gnawed upon by mice, squirrels and other rodents for Calcium, Magnesium and other minerals, UK

Philippe Clement / Close-up of the shed antler of a Roe deer (Capreolus capreolus), showing teeth marks where it has been gnawed upon by mice, squirrels and other rodents for Calcium, Magnesium and other minerals, UK

Philippe Clement / Roe deer (Capreolus capreolus) antler, showing teeth marks where it has been gnawed upon by mice, squirrels and other rodents for Calcium, Magnesium and other minerals, UK

Doug Perrine / Hawaiian spinner dolphins (Stenella longirostris longirostris) off Kekaha Kai State Park, Mahaiula, North Kona, Hawaii, USA, Central Pacific Ocean. Note cookie cutter bite on dorsal fin of closest dol...

Will Watson / Water Vole (Arvicola terrestris) feeding area with shredded Bulrush (Typha latifolia), Kent, England, June.

Will Watson / Water Vole (Arvicola terrestris) feeding signs with gnawed base of Bulrush (Typha latifolia), Kent, England, June.

Juergen Freund / Spectacled flying foxes (Pteropus conspicillatus) paralysed after being bitten by paralytic ticks having medicine administered by owner and main carer Jenny Mclean at Tolga Bat Hospital, North Queensl...

Juergen Freund / Spectacled flying foxes (Pteropus conspicillatus) paralysed after being bitten by paralytic ticks having medicine administered by owner and main carer Jenny Mclean at Tolga Bat Hospital, North Queensl...

Bryan and Cherry Alexander / Forest Nenets girl stitching up wounded Reindeer / Caribou (Rangifer tarandus) that has been bitten by dog. Khanty-Mansiysk, Western Siberia, Russia, 2000.

Bryan and Cherry Alexander / Forest Nenets girl stitching up wounded Reindeer / Caribou (Rangifer tarandus) that has been bitten by dog. Khanty-Mansiysk, Western Siberia, Russia, 2000.

James Christensen / Sapo Limosa (Atelopus limosus) toad pair in amplexus being bitten by midges, central Panama

James Christensen / Giant Green Anole (Anolis frenatus) young male being bitten by mosquito, central Panama

Jeff Rotman / Rodney Fox shows his scar from attack by Great White Shark when he was badly bitten around the chest and arm in December 1963. South Australia. Model released.

Tim Laman / A mudskipper (Boleophthalmus sp) being bitten by a mosquito. Matang Mangrove Forest, Taiping vicinity, Perak, Malaysia. May 2006

Tim Laman / A mudskipper (Boleophthalmus sp) being bitten by a mosquito. Matang Mangrove Forest, Taiping vicinity, Perak, Malaysia. May 2006

Tim Laman / A mudskipper (Boleophthalmus sp) being bitten by a mosquito while displaying to another mudskipper. Matang Mangrove Forest, Taiping vicinity, Perak, Malaysia. May 2006

Robert Valentic / Robert Valentic's swollen finger one week after being bitten by the Northern death adder {Acanthophis praelongus} Australia

Matthew Maran / Green anaconda {Eunectes murinus} enters water to avoid being bitten by horseflies {Tabanidae} Note blood spot in centre, Cuyabeno Reserve, Amazon Basin, Ecuador

Mark Moffett / Army Ant (Eciton burchellii) soldier's mandibles are curved like fishooks which soldiers cannot extract once they've bitten a victim, thereby dooming themselves, Barro Colorado Island, Panama

Jean E. Roche / Gloved hand being bitten by Cory's shearwater (Calonectris diomedea) during survey, Riou archipelago, Marseille, France

Jabruson / Warden with Nile crocodile jaw bitten off by Hippo, Garamba NP, DR Congo

Mike Parry / Crocodile (Crocodylus sp) attack victim, Port Moresby, Papua New Guinea

Mike Parry / Crocodile (Crocodylus sp) attack victim, Port Moresby, Papua New Guinea

Mike Parry / Crocodile (Crocodylus sp) attack victim, Port Moresby, Papua New Guinea

Mike Parry / Crocodile (Crocodylus sp) attack victim, Port Moresby, Papua New Guinea

Pal Hermansen / Aspen (Populus tremula) tree in snow, with trunk gnawed by Beaver (Castor fiber), Follo, Viken, Norway. December.

Tom Vierus / Reef manta ray (Mobula alfredi) melanistic, with a large shark bite on its fin, swimming in open water, Wakaya Island, Lomaiviti Group, Fiji, Pacific Ocean. Endangered.

Joel Sartore / Photo Ark / Wavy-rayed lampmussel (Lampsilis fasciola) female waving her mantle lure to attract a fish. Once the lure is bitten by a real fish, she injects her glochidia (microscopic babies) into the fish's gills...

SCOTLAND: The Big Picture / Fallen log with bark stripped by a Beaver (Castor fiber), Bamff Estate, Perthshire, Scotland, UK.