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.

Ingo Arndt / European Beaver (Castor fiber) fresh bite marks and felled trees, Spessart, Germany

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.

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.

Richard Robinson / Humpback whale (Megaptera novaeangliae) calf around six metres long with distinctive bite marks from a Great White Shark (Carcharodon carcharias) off the coast of Raoul Island in the Kermadec archipel...

Richard Robinson / Antipodean albatross (Diomedea antipodensis) and Northern giant petrel (Macronectes halli) feeding on a recently deceased Humpback whale (Megaptera novaeangliae) calf around six metres long with disti...

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.

Nick Upton / Sick, injured Grey seal pup (Halichoerus grypus) 'Jenga', with bite marks on its flippers and body and a runny nose, washed up on the tide line, Widemouth Bay, North Cornwall, UK, October.

Jeff Foott / American Beaver (Castor canadensis) bite marks on tree, Zion National Park, Utah

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

Nick Upton / Michelle Clement, a British Divers Marine Life Rescue animal medic preparing to wrap a towel around a sick, injured Grey seal pup (Halichoerus grypus) 'Jenga', with bite marks on its flippers and body...

Nick Upton / Michelle Clement, a British Divers Marine Life Rescue animal medic taking an intial look at a sick, injured Grey seal pup (Halichoerus grypus) 'Jenga', with bite marks on its flippers and body and a r...

Nick Upton / Donna La Broy looking at a sick, injured Grey seal pup (Halichoerus grypus) 'Jenga', with bite marks on its flippers and body and a runny nose, which she found washed up on the tide line, Widemouth Ba...

Nick Upton / Michelle Clement, a British Divers Marine Life Rescue animal medic inspecting the tail flippers of a sick, injured Grey seal pup (Halichoerus grypus) 'Jenga', with bite marks on its flippers and body...

Nick Upton / Sick, injured Grey seal pup (Halichoerus grypus) 'Jenga', with bite marks on its flippers and body and a runny nose, washed up on the tide line, Black Rock beach, Widemouth Bay, North Cornwall, UK, Oc...

Nick Upton / Sick, injured Grey seal pup (Halichoerus grypus) 'Jenga', with bite marks on its flippers and body, washed up on the tide line, Widemouth Bay, North Cornwall, UK, October.

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.

Ingo Arndt / European Beaver (Castor fiber) fresh bite marks on felled beech tree, Spessart, Germany

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

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...

Duncan Usher / European Beaver (Castor fiber) bite marks on felled birch tree, Germany

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...

Jabruson / 'Epombepombe' (Strychos sp) ball-like forest fruit frequently eaten by the Agile Mangabey (Cercocebus agilis). This fruit shows signs of an attempt to access the fruit with bite marks scoring the hard...

Juergen Freund / Boulder coral with Parrotfish (Scaridae) teeth bite marks. North Raja Ampat, West Papua, Indonesia.

GEORGETTE DOUWMA / Porites / Finger coral (Porites genus) with bite marks of a Bumphead parrotfish (Bolbometopon muricatum) Misool, Raja Ampat, West Papua, Indonesia.

GEORGETTE DOUWMA / Porites / Finger coral (Porites genus) with bite marks of a Bumphead parrotfish (Bolbometopon muricatum). Misool, Raja Ampat, West Papua, Indonesia.

Tim Laman / Massive hard coral (Porites sp.) with bite marks from feeding Parrot fish (Scarus sp) on a coral reef in Palau, Micronesia.

Doug Perrine / Juvenile Crevalle jack {Caranx hippos} shelters near sleeping Manatee, note bite marks

Ingo Arndt / European Beaver (Castor fiber) fresh bite marks and felled trees, Spessart, Germany

Ingo Arndt / European Beaver (Castor fiber) fresh bite marks on gnawed tree, Spessart, Germany

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.