Terry Whittaker / Man collecting seabird eggs, including those of Common guillemots (Uria aalge), Skoruvikurbjarg cliffs, Langanes Peninsula, Iceland, May.

Terry Whittaker / Man being lowered down a cliff to collect seabird eggs, including those of Common guillemots (Uria aalge). Camera attached to helmet, Skoruvikurbjarg cliffs, Langanes Peninsula, Iceland, May.

Terry Whittaker / Man being lowered down cliff to collect seabird eggs, including those of Common guillemots (Uria aalge), Skoruvikurbjarg cliffs, Langanes Peninsula, Iceland, May.

Terry Whittaker / Man being raised up cliff to collect seabird eggs, including those of Common guillemots (Uria aalge), Skoruvikurbjarg cliffs, Langanes Peninsula, Iceland, May.

Terry Whittaker / Man being lowered down a cliff to collect seabird eggs, including those of Common guillemots (Uria aalge). Camera attached to helmet, Skoruvikurbjarg cliffs, Langanes Peninsula, Iceland, May.

Terry Whittaker / Man being lowered down a cliff to collect seabird eggs, including those of Common guillemots (Uria aalge). Camera attached to helmet, Skoruvikurbjarg cliffs, Langanes Peninsula, Iceland, May.

Terry Whittaker / Man being lowered down a cliff to collect seabird eggs, including those of Common guillemots (Uria aalge). Camera attached to helmet, Skoruvikurbjarg cliffs, Langanes Peninsula, Iceland, May.

Terry Whittaker / Man sorting seabird eggs, including those of Common guillemots (Uria aalge) into egg boxes, Skoruvikurbjarg cliffs, Langanes Peninsula, Iceland, May.

Terry Whittaker / Man being lowered down a cliff to collect seabird eggs, including those of Common guillemots (Uria aalge). Skoruvikurbjarg cliffs, Langanes Peninsula, Iceland, May.

Terry Whittaker / Grey Heron ( Ardea cinerea). Amsterdam, Netherlands. April 2017

Terry Whittaker / Mandarin duck (Aix galericulata) male female pair, Reddish Vale Country Park, Greater Manchester, UK. December

Terry Whittaker / Arctic fox (Vulpes lagopus). Blue colour morph. Hornstrandir Nature Reserve, Iceland. March

Terry Whittaker / Grey heron ( Ardea cinerea) flying to bin. Herons congregate around the fish stalls as city markets are closing, picking up scraps of food. Amsterdam, Netherlands. April.

Terry Whittaker / Route One, Southeast Iceland. December

Terry Whittaker / Red fox (Vulpes vulpes), in urban garden, Manchester, UK. July

Terry Whittaker / Menai Strait and Telford suspension bridge. Isle of Anglesey, Wales, October 2018.

Terry Whittaker / Red fox (Vulpes vulpes), on coast, portrait. Netherlands. November.

Terry Whittaker / Red foxes (Vulpes vulpes) fighting in sand dune habitat, Holland, Netherlands. November.

Terry Whittaker / Grey heron ( Ardea cinerea) flying at night, Amsterdam, Netherlands. April.

Terry Whittaker / Grey Heron ( Ardea cinerea) flying in city, Amsterdam, Netherlands. April.

Terry Whittaker / RF - Two Red foxes (Vulpes vulpes) on hind legs play fighting, Netherlands. (This image may be licensed either as rights managed or royalty free.)

Terry Whittaker / RF - Arctic foxes (Vulpes lagopus) interacting Blue colour morph. Hornstrandir Nature Reserve, Iceland. March. (This image may be licensed either as rights managed or royalty free.)

Terry Whittaker / Juvenile Red fox (Vulpes vulpes) interacting with and trying to play with an adult in an urban garden, Greater Manchester, UK, August. Filmed using a camera trap.

Terry Whittaker / Domestic cat chasing a Red fox (Vulpes vulpes) in an urban garden, Greater Manchester, UK, August 2017. Filmed using a camera trap.

Terry Whittaker / Arctic fox (Vulpes lagopus) feeding in snow, blue colour morph, Hornstrandir Nature Reserve, Iceland, March.

Terry Whittaker / Arctic fox (Vulpes lagopus) feeding and digging in snow whilst hunting, blue colour morph, Hornstrandir Nature Reserve, Iceland, March.

Terry Whittaker / Red fox (Vulpes vulpes) adult with train in background, Kent, UK. March. Highly commended in the Nature Photographer of the Year Awards 2018. Taken with remote camera.

Terry Whittaker / Red fox (Vulpes vulpes) walking on enbankment with light from passing railway train in background, Kent, UK. Composite.

Terry Whittaker / Group of Common starlings (Sturnus vulgaris) feeding from a bird feeder, with an adult feeding juveniles perched on the top, Greater Manchester, England, UK, May.

Terry Whittaker / Pod of Killer whales (Orcinus orca) at surface, Grundarfjordur, Iceland, March.

Terry Whittaker / Slow motion close-up of a large group of Fulmars (Fulmarus glacialis) feeding from a fish processing plant outfall, Grundafjordur, Iceland, March.

Terry Whittaker / Red squirrel (Sciurus vulgaris) leaping between Scots pine tree (Pinus sylvestris)s, lands on camera, Black Isle, Ross and Cromarty, Scotland, February.

Terry Whittaker / Water vole (Arvicola amphibius) swimming underwater, dragging nesting material back to its burrow, Kent, England, UK. October.

Terry Whittaker / Water vole (Arvicola amphibius) feeding on Yellow flag iris (Iris pseudacorus) seed pods, Kent, England, UK. October.

Terry Whittaker / Timelapse of the Aurora Borealis, Hornstrandir, West Fjords, Iceland. April 2016

Terry Whittaker / Arctic fox (Alopex lagopus) cubs playing, Hornvik, Hornstrandir, West Fjords, Iceland. April.

Terry Whittaker / Arctic fox (Alopex lagopus) cubs playing, Hornvik, Hornstrandir, West Fjords, Iceland. April.

Terry Whittaker / Arctic fox (Alopex lagopus) cubs playing, Hornvik, Hornstrandir, West Fjords, Iceland. April.

Terry Whittaker / Red fox (Vulpes vulpes) cub on railway embankment with train passing behind, Kent, UK, July.

Terry Whittaker / Pine marten (Martes martes) walking along edge of water, orange glow in sky behind from the lights of Inverness. Black Isle, Scotland, UK, September. Photographed by camera trap.

Terry Whittaker / Young Water voles (Arvicola amphibius) on old pump wheel, Kent, UK, October.

Terry Whittaker / Bay Icelandic horse trotting in the snow, Snaefellsnes Peninsula, Iceland, March.

Terry Whittaker / Family of Red foxes (Vulpes vulpes) on railway embankment, Kent, UK, July.

Terry Whittaker / Water vole (Arvicola amphibius) feeding at edge of water, Kent, UK, December.

Terry Whittaker / Man sat on picnic bench in park flooded by River Thames, Chertsey, Surrey, UK, February 2014.

Terry Whittaker / Pine marten (Martes martes) jumping from branch, Black Isle, Scotland, UK, February. Photographed by camera trap, Sequence 1 of 2.

Terry Whittaker / Portrait of Skewbald Icelandic horse in the snow, Snaefellsnes Peninsula, Iceland, March.

Terry Whittaker / Red squirrel (Sciurus vulgaris) feeding, Black Isle, Scotland, UK, February.

Terry Whittaker / Pine marten (Martes martes) on branch, orange glow in sky behind from the lights of Inverness. Black Isle, Scotland, UK, October. Photographed by camera trap Highly commended in the Habitat category o...

Terry Whittaker / 2020VISION / Red deer stag (Cervus elephus) bellowing in mist at sunrise during rut, Bushy Park, London, England, UK, October 2011.

Terry Whittaker / Two Red-throated divers (Gavia stellata) on a lake, vocalising, Iceland, July.

Terry Whittaker / Timelapse of icebergs moving in Jokulsarlon glacial lagoon at twilight, formed from meltwater from the retreating Vatnajokull glacier, Iceland, July 2012.

Terry Whittaker / Timelapse of icebergs moving in Jokulsarlon glacial lagoon at twilight, formed from meltwater from the retreating Vatnajokull glacier, Iceland, July 2012.

Terry Whittaker / Timelapse of icebergs moving in Jokulsarlon glacial lagoon formed from meltwater from the retreating Vatnajokull glacier, Iceland, July 2012.

Terry Whittaker / Red-necked phalarope (Phalaropus lobatus) in long grass looking at insects on flower, Iceland, July.

Terry Whittaker,Terry Whittaker / Water Vole (Arvicola amphibius) emerging from pipe at side of river, Kent, UK, December

Terry Whittaker / Pete Turner weighs Pine marten (Martes martes). in trap. Part of Pine marten research by the Waterford Institute of Technology, Republic of Ireland. August 2008

Terry Whittaker / Person dress as a cow holding a sign which says 'Dump dairy - Save a badger' encouraging a dairy boycott, at anti badger cull march, London 1st June 2013. Editorial use only.

Terry Whittaker / 2020VISION / Water vole (Arvicola amphibius) eating, Kent, England, UK, July

Terry Whittaker / 2020VISION / Two Water voles (Arvicola amphibius) eating, Kent, England, UK, July

Terry Whittaker / 2020VISION / Water vole (Arvicola amphibius) eating, Kent, England, UK, July

Terry Whittaker / 2020VISION / Timelapse of traffic using the Dartford Crossing at dusk, with the Queen Elizabeth II Bridge in the background, Kent, England, UK, March 2012

Terry Whittaker / 2020VISION / Corn buntings (Emberiza calandra) feeding on bird conservation crop, Wallasea Wild Coast Project, RSPB Greater Thames Futurescapes Project, Essex, England, UK, December.

Terry Whittaker / 2020VISION / White campion (Silene latifolia) growing on brownfield site scheduled for development. Kent, UK, June 2012.

Terry Whittaker / 2020VISION / Pyramidal Orchid (Anacamptis pyramidalis), on brownfield site being prepared for development. Kent, UK, June 2012.

Terry Whittaker / 2020VISION / Pyramidal Orchid, (Anacamptis pyramidalis), on brownfield site being cleared for development with digging vehicle in background. Kent, UK, June 2012.

Terry Whittaker / 2020VISION / European Badger (Meles meles) on the North Downs above Folkestone, Kent, UK, June. Camera trap photo.

Terry Whittaker / 2020VISION / Stag Beetle (Lucanus cervus) in defensive posture; male in garden where it emerged naturally. Kent, UK, June. Controlled situation.

Terry Whittaker / 2020VISION / European Badgers (Meles meles) adult and juvenile on the North Downs above Folkestone, Kent, UK. Camera trap photo.

Terry Whittaker / 2020VISION / Red deer (Cervus elaphus) in Richmond Park with Roehampton Flats in background, London, England, UK, September. 2020VISION Book Plate

Terry Whittaker / 2020VISION / Rook (Corvus frugilegus) perched in motorway service area, Midlands, England, UK, April. 2020VISION Book Plate.

Terry Whittaker / 2020VISION / Sea aster (Tripolium pannonicum) in flower, Abbotts Hall Farm, Essex, England, UK, September. 2020VISION Book Plate.

Terry Whittaker / 2020VISION / Swallowtail Butterfly (Papilio machaon britannicus) on hawkbit flower. Strumpshaw Fen, Norfolk, June.

Terry Whittaker / 2020VISION / Swallowtail Butterfly (Papilio machaon britannicus) on hawkbit flower. Strumpshaw Fen, Norfolk, June.

Terry Whittaker / 2020VISION / Water Vole (Arvicola amphibius / terrestris) foraging by water. Kent, UK, August. Did you know? Although mostly vegetarians, some water voles have been known to eat frogs' legs to get extra protein.

Terry Whittaker / 2020VISION / Water Vole (Arvicola amphibius / terrestris) foraging by water. Kent, UK, August.

Terry Whittaker / 2020VISION / Water Vole (Arvicola amphibius / terrestris) foraging by water. Kent, UK, August.

Terry Whittaker / 2020VISION / Water Vole (Arvicola terrestris) eating, Kent, England, UK, March

Terry Whittaker / 2020VISION / Water channels making patterns in saltmarsh, seen from the air. Abbotts Hall Farm, Essex, UK, April 2012.

Terry Whittaker / 2020VISION / Remnant saltmarsh and coastal realignment at Abbotts Hall Farm, Essex, UK, March 2012. Did you know? 24% of the English coastline is saltmarsh.

Terry Whittaker / 2020VISION / Water channels making patterns in saltmarsh, seen from the air. Abbotts Hall Farm, Essex, UK, April 2012. Did you know? Salt marshes are a great natural defence against sea level rise.

Terry Whittaker / 2020VISION / Saltmarsh and reclaimed agricultural land from the air. Abbotts Hall Farm, Essex, UK, March 2012.

Terry Whittaker / 2020VISION / Water channels making patterns in saltmarsh, seen from the air. Abbotts Hall Farm, Essex, UK, April 2012.

Terry Whittaker / 2020VISION / Water channels making patterns in saltmarsh, seen from the air. Abbotts Hall Farm, Essex, UK, April 2012.

Terry Whittaker / 2020VISION / Water channels making patterns in saltmarsh, seen from the air. Abbotts Hall Farm, Essex, UK, April 2012.

Terry Whittaker / 2020VISION / Water channels making patterns in saltmarsh, seen from the air. Abbotts Hall Farm, Essex, UK, April 2012.

Terry Whittaker / 2020VISION / Water channels making patterns in saltmarsh, seen from the air. Abbotts Hall Farm, Essex, UK, April 2012.

Terry Whittaker / 2020VISION / Water channels making patterns in saltmarsh, seen from the air. Abbotts Hall Farm, Essex, UK, April 2012. (This image may be licensed either as rights managed or royalty free.)

Terry Whittaker / 2020VISION / Water channels making patterns in saltmarsh, seen from the air. Abbotts Hall Farm, Essex, UK, April 2012.

Terry Whittaker / 2020VISION / Parasol mushrooms (Lepiota procera), Richmond Park, London, England, UK, September. Did you know? One way to identify mushrooms is the colour of the spores, for example this mushroom's spores are whit...

Terry Whittaker / 2020VISION / Canada geese (Branta canadensis) grazing in snow, Reddish Vale, Manchester, England, UK, March. Did you know? Canada geese can fly up to 1500 miles in just 24 hours if the wind is favourable.

Terry Whittaker / 2020VISION / Mute swan (Cygnus olor), Kent, England, UK, March (This image may be licensed either as rights managed or royalty free.)

Terry Whittaker / 2020VISION / Corn buntings (Emberiza calandra) in flight, Wallasea Wild Coast Project, RSPB Greater Thames Futurescapes Project, Essex, England, UK, December.

Terry Whittaker / 2020VISION / Two Common comorants (Phalocrocorax carbo) perched on statue drying out, Bushy Park, London, England, UK, November.

Terry Whittaker / 2020VISION / Little Egret (Egretta garzetta). North Kent Marshes. Elmley Nature Reserve.

Terry Whittaker / 2020VISION / Small traditional sailing boat on the Thames Estuary, Two Tree Island, Essex, England, UK, October.