Chris Gomersall / 2020VISION / European river otter (Lutra lutra) cub lying on back and drying itself on seaweed, Shetland Isles, Scotland, UK, October.

Chris Gomersall / 2020VISION / European river otter (Lutra lutra) cub amongst kelp on shoreline, Shetland Isles, Scotland, UK, October.

Chris Gomersall / 2020VISION / European river otter (Lutra lutra) cub amongst kelp on shoreline, Shetland Isles, Scotland, UK, October.

Chris Gomersall / 2020VISION / European river otter (Lutra lutra) cub amongst kelp on shoreline, Shetland Isles, Scotland, UK, October.

Andy Rouse / European otter (Lutra lutra) running, UK, taken in controlled conditions July

Andy Rouse / European otter (Lutra lutra) running, UK, taken in controlled conditions July. Crop of 01402435

Eric Baccega / European river otter (Lutra lutra) swimming underwater, captive, Alsace, France

Danny Green / 2020VISION / Two European river otters (Lutra lutra) fighting over a fish, Isle of Mull, Inner Hebrides, Scotland, UK, December

Danny Green / 2020VISION / European river otter (Lutra lutra) eating fish on seaweed, Isle of Mull, Inner Hebrides, Scotland, UK, December

Danny Green / 2020VISION / European river otter (Lutra lutra) resting amongst the seaweed, Isle of Mull, Inner Hebrides, Scotland, UK, December

Danny Green / 2020VISION / Two European river otters (Lutra lutra) play fighting in the water, Isle of Mull, Inner Hebrides, Scotland, UK, December

Danny Green / 2020VISION / European river otters (Lutra lutra) play fighting amongst seaweed, Isle of Mull, Inner Hebrides, Scotland, UK, December

Danny Green / 2020VISION / Three European river otters (Lutra lutra) resting amongst seaweed, Isle of Mull, Inner Hebrides, Scotland, UK, December

Danny Green / 2020VISION / Two European river otters (Lutra lutra) swimming in shallow water, Isle of Mull, Inner Hebrides, Scotland, UK, December. Did you know? 12% of breeding otters in the UK live in the Shetland Isles.

Mark Hamblin / 2020VISION / European river otter (Lutra lutra) footprints crossing frozen Loch Lurgainn at dawn, with Sgorr Tuath and Sgorr Deas (Beinn an Eoin) behind, Coigach, Wester Ross, Scotland, UK, December 2010

Mark Hamblin / 2020VISION / European river otter (Lutra lutra) footprints crossing frozen Loch Lurgainn at dawn, with Sgorr Tuath & Sgorr Deas (Beinn an Eoin) behind, Coigach, Wester Ross, Scotland, UK, December 2010

Colin Seddon / Orphaned European river otter (Lutra lutra) cub on towel in care, UK

Mark Hamblin / 2020VISION / European river otter (Lutra lutra) footprints in snow on the edge of the frozen River Spey, at sunset, Cairngorms NP, Scotland, UK, December 2010

Andy Rouse / European Otter (Lutra lutra) in water. Wales, UK, November.

Andy Rouse / European Otter (Lutra lutra) in water. Wales, UK, November.

Andy Rouse / 2020VISION / European river otter (Lutra lutra) in possible holt entrance, Dorset, UK, December

Andy Rouse / 2020VISION / European river otter (Lutra lutra) in habitat, UK, controlled conditions, November

Andy Rouse / 2020VISION / European river otter (Lutra lutra) viewed from bridge, Dorset, UK, December

Andy Rouse / 2020VISION / European river otter (Lutra lutra) eating fish, in river, Dorset, UK, November

Andy Rouse / 2020VISION / European river otter (Lutra lutra) head sticking out of water, river, Dorset, UK, November

Andy Rouse / 2020VISION / European river otter (Lutra lutra) swimming in river at sunset, Dorset, UK, November

Andy Rouse / 2020VISION / European river otter (Lutra lutra) swimming, river, Dorset, UK, November

Andy Rouse / 2020VISION / European river otter (Lutra lutra) in river, Dorset, UK, November

Andy Rouse / 2020VISION / European river otter (Lutra lutra) in river by road bridge, Dorset, UK, November

Andy Rouse / 2020VISION / European river otter (Lutra lutra) eating small fish, Dorset, UK, November

Andy Rouse / 2020VISION / European river otter (Lutra lutra) swimming with head above water, river, Dorset, UK, November

Andy Rouse / 2020VISION / European river otter (Lutra lutra) climbing to the top of a weir, river, Dorset, UK, November

Andy Rouse / 2020VISION / European river otter (Lutra lutra) swimming, Dorset, UK, May. Did you know? Following efforts to save them from extinction, otters have now returned to every county in England – proof that conservatio...

Andy Rouse / 2020VISION / European river otter (Lutra lutra) portrait, in river, Dorset, UK, November. Did you know? Baby otters can't swim until they are 2 months old.

Andy Rouse / 2020VISION / European river otter (Lutra lutra) in river, Dorset, UK, November. 2020VISION Exhibition. 2020VISION Book Plate.

Andy Rouse / 2020VISION / European river otter (Lutra lutra) portrait, in river, Dorset, UK, November

Andy Rouse / 2020VISION / European river otter (Lutra lutra) portrait, in river, Dorset, UK, November

Andy Rouse / 2020VISION / European river otter (Lutra lutra) on river, Dorset, UK, November

Grzegorz Lesniewski / European Otter (Lutra lutra) with fish prey. Bieszczady National Park, the Carpathians, Poland, February.

Klaus Echle / Two Otters (Lutra lutra) playing in snow. Black Forest, Germany, January.

Wild Wonders of Europe / Lesniewski / Eurasian Otter (Lutra lutra) on ice licking its lips. Bieszczady, Carpathian Mountains, Poland, February.

Andy Rouse / 2020VISION / European river otter (Lutra lutra) swimming in lake with cub, Wales, UK, October. Photographer quote: "Rain, rain and more rain, a typical Welsh summers day,but even though I was soaked through I was...

Edwin Giesbers / European Otter (Lutra lutra) running over snow. The Netherlands, December. Captive.

Edwin Giesbers / European Otter (Lutra lutra) standing on ice. Captive. The Netherlands, January.

Edwin Giesbers / European Otter (Lutra lutra) walking across snow while sniffing the ground. The Netherlands, December. Captive.

Edwin Giesbers / Close-up of European Otter (Lutra lutra) tail in water. Captive. The Netherlands.

Mark Carwardine / Northern / North American river otter (Lontra canadensis) swimming, Captive, Slimbridge, Gloucestershire, UK, July

Alex Hyde / European river otter (Lutra lutra) swimming, captive, UK

Edwin Giesbers / Portrait of European otter (Lutra lutra) sitting upright in snow, captive, the Netherlands

Edwin Giesbers / Portrait of European otter (Lutra lutra) sitting upright in snow, captive, the Netherlands

Laurie Campbell / Female River otter (Lutra lutra) on sea loch, Torridon, Wester Ross, Scotland, July

Wild Wonders of Europe / Campbell / European river otter (Lutra lutra) swimming in the River Tweed, Scotland, February 2009

Wild Wonders of Europe / Campbell / Juvenile European river otter (Lutra lutra) fishing by porpoising, River Tweed, Scotland, March 2009

Wild Wonders of Europe / Campbell / Two juvenile European river otters (Lutra lutra) playing in rapids beneath bridge over River Tweed, Scotland, February 2009

Wild Wonders of Europe / Campbel / European river otter (Lutra lutra) feeding on eel in estuary of River Tweed, Northumberland, England, July 2009. WWE OUTDOOR EXHIBITION.

Wild Wonders of Europe / Campbell / European river otter (Lutra lutra) swimming in sea, Ardnamurchan, Scotland, January 2009

Wild Wonders of Europe / Campbell / European river otter (Lutra lutra) hunting in sea, tail above water, Ardnamurchan, Scotland, January 2009

Wild Wonders of Europe / Campbell / Two juvenile European river otters (Lutra lutra) fishing / foraging by porpoising, River Tweed, Scotland, March 2009

Wild Wonders of Europe / Campbell / Juvenile European river otter (Lutra lutra) fishing by porpoising, River Tweed, Scotland, March 2009

Wild Wonders of Europe / Campbell / European river otter (Lutra lutra) swimming in the River Tweed at dusk, Scotland, March 2009

Wild Wonders of Europe / Campbell / European river otter (Lutra lutra) tracks in snow by the River Tweed, Scotland, February 2009

Wild Wonders of Europe / Campbell / European river otter (Lutra lutra) diving to forage in the River Tweed, Scotland, February 2009

Wild Wonders of Europe / Campbell / Silhouette of European river otter (Lutra lutra) swimming in the River Tweed at dusk, Scotland, April 2009

Wild Wonders of Europe / Campbell / Juvenile European river otter (Lutra lutra) close to shore, Loch Sunart, Scotland, June 2009

Wild Wonders of Europe / Campbell / Two juvenile European river otters (Lutra lutra) playing in rapids beneath bridge over River Tweed, Scotland, February 2009

Wild Wonders of Europe / Campbell / Two juvenile European river otters (Lutra lutra) returning to holt after fishing, River Tweed, Scotland, May 2009

Wild Wonders of Europe / Campbell / Juvenile European river otter (Lutra lutra) on rock in the River Tweed, Scotland, February 2009

Wild Wonders of Europe / Campbell / Juvenile European river otters (Lutra lutra) fishing in River Tweed, Scotland, February 2009

Wild Wonders of Europe / Campbell / European river otter (Lutra lutra) entering sea from rocks, Ardnamurchan, Scotland, January 2009

Wild Wonders of Europe / Campbell / European river otter (Lutra lutra) tracks in snow by the River Tweed, Scotland, February 2009

Wild Wonders of Europe / Campbell / European river otter (Lutra lutra) tracks in snow by the River Tweed, Scotland, February 2009

Andy Rouse / European otter (Lutra lutra) on riverbank, sticking out tongue, captive, UK

Andy Rouse / European otter (Lutra lutra) with head above water, captive, UK

Andy Rouse / European Otter (Lutra Lutra) in snow, UK, captive

Wild Wonders of Europe / Widstrand / European river otter (Lutra lutra) swimming, North Atlantic, Flatanger, Nord-Trndelag, Norway, August 2008

Wild Wonders of Europe / Widstrand / European river otter (Lutra lutra) close up of head, swimming, North Atlantic, Flatanger, Nord-Trndelag, Norway, August 2008

Ian McCarthy / European river otter {Lutra lutra} male on coast, Shetland Islands, Scotland, UK

Ian McCarthy / European river otter {Lutra lutra} male in water, Shetland Islands, Scotland, UK

Paul Hobson / European river otter {Lutra lutra} feeding on Short-spined scorpion fish, among seaweed, Isle of Mull, Inner Hebrides, Scotland, UK

Andrew Parkinson / European river otter (Lutra lutra) adult on rocks, Isle of Mull, Scotland, UK

Ingo Arndt / European River Otter (Lutra lutra) sisters resting, Europe

Ingo Arndt / European River Otter (Lutra lutra) sisters resting, Europe

Niall Benvie / European river otter swimming {Lutra lutra}, Otterpark Aqualutra, Leeuwarden, Netherlands

Adrian Davies / European river otter (Lutra lutra) captive, UK

David Tipling / Artificial Otter holt, Kent England

Yuri Shibnev / Tracks of European river otter in snow. {Lutra lutra} far east Russia

Martin H Smith / European river otter {Lutra lutra} feeding on a dead Pike on river bank, UK.

Flip de Nooyer / European River Otter (Lutra lutra) resting on riverbank, Europe

Martha Holmes / European river otter eats crab (Lutra lutra) Shetland Is, UK. Juvenile male.

Martha Holmes / Juvenile European river otter (Lutra lutra) Shetland Isles. UK Summer on the coast.

TJ Rich / European river otter {Lutra lutra} standing on hind legs for better view of surrounding area, England, UK captive

TJ Rich / European river otter {Lutra lutra} with fish England, UK captive

Niall Benvie / European river otter {Lutra lutra}, Otterpark Aqualutra, Netherlands, captive

Niall Benvie / Otter (Lutra lutra) scat. Gannochy, Scotland, February.

Nick Upton / European river otter (Lutra lutra) holt under roots of a fallen tree with exit trail leading to a woodland stream, Somerset, UK, November.

Nick Upton / European river otter (Lutra lutra) holt under roots of a fallen tree with exit trail leading to a woodland stream, Somerset, UK, November.