Nick Garbutt / Atlantic puffins (Fratercula arctica) gathering around burrows on cliff top, Isle of Lunga, Treshnish Isles, Isle of Mull, Scotland, UK, June

Alex Mustard / A young Spiny / Longsnouted / Yellow Seahorse (Hippocampus guttulatus), aquarium image. This seahorse is part of a UK seahorse breeding program. Photographed at the SEALIFE quarantine and breeding fac...

Bryan and Cherry Alexander / Commercial fisherman removing Atlantic salmon (Salmo salar) from stake net. St Cyrus Bay, Scotland, 1982.

Bryan and Cherry Alexander / Commercial fisherman removing Atlantic salmon (Salmo salar) from stake net. St Cyrus Bay, Scotland, 1982.

Alex Mustard / Female Grey seal (Halichoerus grypus) mouthiing the camera lens, Lundy Island, Devon, England, UK. July

Alex Mustard / Atlantic grey seal (Halichoerus grypus) swimming beneath the surface, Lundy Island, Devon, England, UK. July 2010

Alex Mustard / Atlantic grey seal (Halichoerus grypus) resting vertical beneath the surface, Lundy Island, Devon, UK. July

Alex Mustard / A young Harbour / Common seal (Phoca vitulina) Lundy Island, Devon, England, UK. Bristol Channel, North East Atlantic Ocean. July

Ross Hoddinott / Bedruthan Steps on Cornish coast, with flowering Thrift (Armeria maritima), Cornwall. UK

Tui De Roy / Atlantic Puffin (Fratercula arctica) at entrance to nesting burrow during breeding season, Skomer Island, Wales

Robert Thompson / White park bay, North Antrim coastline, Northern Ireland, UK. December 2012

Alex Mustard / Female Grey seal (Halichoerus grypus) tangled in a discarded fishing net, Lundy Island, Devon, England, UK, July.

Alex Mustard / Basking shark (Cetorhinus maximus) feeding at the surface on plankton, Cairns Of Coll, Isle of Coll, Inner Hebrides, Scotland, UK, North East Atlantic Ocean, June

Alex Mustard / Basking shark (Cetorhinus maximus) feeding at the surface on plankton, Cairns Of Coll, Isle of Coll, Inner Hebrides, Scotland, UK, North East Atlantic Ocean, June

Alex Mustard / Basking shark (Cetorhinus maximus) feeding at the surface on plankton. Note the sea lampreys beneath the tail (Petromyzon marinus) Cairns Of Coll, Isle of Coll, Inner Hebrides, Scotland, UK, North Eas...

Chris Gomersall / 2020VISION / A small pod of Killer whales (Orcinus orca) seen from the pelagic trawler 'Charisma', Shetland Isles, Scotland, UK, October 2011

Chris Gomersall / 2020VISION / Flock of Northern gannets (Sula bassana) and a small pod of Killer whales (Orcinus orca) feeding in the wake of the pelagic trawler 'Charisma' in evening light, Shetland Islands, Scotland, UK, October...

Chris Gomersall / 2020VISION / Common dolphin (Delphinus delphis) bow-riding, near South Uist, Outer Hebrides, Scotland, UK, June

Chris Gomersall / 2020VISION / Grey seal (Halichoerus grypus) surfing in waves, Outer Hebrides, Scotland, UK, June

Mike Read / Atlantic puffin (Fratercula arctica) nesting colony, Isle of May National Nature Reserve, Firth of Forth, Scotland June

Mike Read / Atlantic puffin (Fratercula arctica) in flight Isle of May National Nature Reserve, Firth of Forth, Scotland, UK June

Mike Read / Atlantic puffin (Fratercula arctica) in flight, Isle of May National Nature Reserve, Firth of Forth, Scotland June

Mike Read / Atlantic puffin (Fratercula arctica) two resting on wall, Isle of May National Nature Reserve, Firth of Forth, Scotland June

Chris Gomersall / 2020VISION / Tourists watching Atlantic puffins (Fratercula arctica) at their breeding colony on Lunga, Inner Hebrides, Scotland, UK, July 2011

Chris Gomersall / 2020VISION / Tourists watching Atlantic puffins (Fratercula arctica) at their breeding colony on Lunga, Inner Hebrides, Scotland, UK, July 2011

Chris Gomersall / 2020VISION / Passengers on observation deck of Sea Life Surveys vessel Sula Beag watching a Bottlenose dolphin (Tursiops truncatus) bow riding in the Sound of Mull, Inner Hebrides, Scotland, UK, July 2011

Chris Gomersall / 2020VISION / Adult Atlantic puffin (Fratercula arctica) in flight in summer, backlit, Isle of Lunga, Inner Hebrides, Scotland, UK, July 2011.

Chris Gomersall / 2020VISION / Passengers on observation deck of Sea Life Surveys vessel Sula Beag watching a Bottlenose dolphin (Tursiops truncatus) bow riding in the Sound of Mull, Inner Hebrides, Scotland, UK, July 2011

Chris Gomersall / 2020VISION / Passengers on observation deck of Sea Life Surveys vessel Sula Beag watching two Bottlenose dolphins (Tursiops truncatus) in the Sound of Mull, Inner Hebrides, Scotland, UK, July 2011

Chris Gomersall / 2020VISION / Passengers on observation deck of Sea Life Surveys vessel Sula Beag watching a breaching Bottlenose dolphin (Tursiops truncatus) in the Sound of Mull, Inner Hebrides, Scotland, UK, July 2011

Robert Thompson / Lighthouse on Fanad Head, County Donegal, Republic of Ireland. August 2011

Alex Mustard / Short Snout / Common Seahorse (Hippocampus hippocampus) in aquarium. British captive seahorse breeding stock. Weymouth Sealife Centre, Dorset, England, UK, April.

Alex Mustard / A male Spiny / Longsnouted / Yellow Seahorse (Hippocampus guttulatus), aquarium image. This seahorse is part of a UK seahorse breeding program. Photographed at the SEALIFE quarantine and breeding faci...

Alex Mustard / A female Spiny / Longsnouted / Yellow Seahorse (Hippocampus guttulatus), aquarium image. This seahorse is part of a UK seahorse breeding program. Photographed at the SEALIFE quarantine and breeding fa...

Alex Mustard / A Deep-Snouted / Broadnosed Pipefish (Syngnathus typhle) head in profile. The flattened body shape of this species resembles a blade of seagrass aiding its camouflage. Swanage Bay, Dorset, England, UK...

Alex Mustard / An adult female Spiny Seahorse (Hippocampus guttulatus) in a meadow of seagrass (Zostera marina). Studland Bay, Dorset, England, UK, August. Photographed under licence from Marine Management Organisat...

Alex Mustard / A Great Pipefish (Syngnathus acus) peers out from filamentous algae that is overgrowing a seagrass bed (Zostera marina). Studland Bay, Dorset, England, UK, May.

Bryan and Cherry Alexander / Commercial fisherman removing Atlantic salmon (Salmo salar) from stake net. St Cyrus Bay, Scotland, 1982.

Bryan and Cherry Alexander / Commercial fisherman carrying Atlantic salmon (Salmo salar) along stake net. St Cyrus Bay, Scotland, 1982.

Bryan and Cherry Alexander / Commercial fisherman removing Atlantic salmon (Salmo salar) from stake net. St Cyrus Bay, Scotland, 1982.

Alex Mustard / Basking sharks (Ceterhinus maximus) feeding close to shore. Cornwall, England. East Atlantic Ocean. June

Alex Mustard / A Basking shark (Ceterhinus maximus) feeding in open water off the Cornish Coast. Cornwall, UK. North East Atlantic Ocean. June

Alex Mustard / A Basking shark (Ceterhinus maximus) feeding, while watched by a snorkeller (photographer Doug Perrine) Cornwall, UK. North East Atlantic Ocean. June

Alex Mustard / Rear view of a Basking shark (Ceterhinus maximus) feeding in thick plankton (copepods and jellyfish) in Cornwall, England. East Atlantic Ocean. June

Alex Mustard / A female Grey seal (Halichoerus grypus). Lundy Island, Devon, England, UK. Bristol Channel, North East Atlantic Ocean. February

Alex Mustard / Male Grey seal (Halichoerus grypus) playing with an orange chew toy offered by a diver, Lundy Island, Devon, England, UK. July 2010

Alex Mustard / Diver playing with a Grey seal (Halichoerus grypus) Lundy Island, Devon, UK. July 2010

Alex Mustard / Male Grey seal (Halichoerus grypus) playing with a diver's fin, Lundy Island, Devon, England, UK, North East Altantic Ocean. July 2010

David Woodfall / Two Puffins (Fratercula arctica) on nesting cliffs, Farne Islands, Northumberland, UK

David Woodfall / Three Puffins (Fratercula arctica) on nesting cliffs, Farne Islands, Northumberland, UK

David Woodfall / National Trust conservation scientist measuring Puffin (Fratercula arctica) Farne Islands, Northumberland, UK, June 2009

David Woodfall / Person ringing Puffin (Fratercula arctica) Farne Islands, Northumberland, UK, June 2009

David Woodfall / Puffin (Fratercula arctica) being held by person as part of National Trust monitoring, Farne Islands, Northumberland, UK, June 2009

David Woodfall / Person ringing Puffin (Fratercula arctica) chick, Farne Islands, Northumberland, UK, June 2009

David Woodfall / Puffin (Fratercula arctica) being having ring checked by researcher, Farne Islands, Northumberland, UK, June 2009

David Woodfall / Two Puffins (Fratercula arctica) on nesting cliffs, Farne Islands, Northumberland, UK

David Woodfall / Puffin (Fratercula arctica) pair on cliffs prior to mating, Farne Islands, Northumberland, UK

David Woodfall / National Trust conservation scientists monitoring Puffin (Fratercula arctica) Inner Farne., Farne Islands, Northumberland, UK, June 2009

David Woodfall / Puffin (Fratercula arctica) landing in headwind on Farne Islands, Northumberland, UK

David Woodfall / National Trust conservation scientists monitoring Puffin (Fratercula arctica) chick by measuring its size and ringing it, Inner Farne, Farne Islands, Northumberland, UK, June 2009

David Woodfall / National Trust conservation scientists monitoring Puffin chicks (Fratercula arctica) Farne Islands, Northumberland, UK, June 2009

David Woodfall / Puffins (Fratercula arctica) with a beak full of Sandeels, Farne Islands, Northumberland, UK

David Woodfall / Puffin (Fratercula arctica) sitting on rock with a beak full of Sandeels, Farne Islands, Northumberland, UK

David Woodfall / Three people watching Puffin (Fratercula arctica) colony on Farne Islands, with Bambergh Castle in the distance, Northumberland, UK, June 2009

David Woodfall / Puffin (Fratercula arctica) chick being ringed, Farne Islands, Northumberland, UK, June 2009

David Woodfall / Person ringing Puffin (Fratercula arctica) chick, Farne Islands, Northumberland, UK, June 2009

David Woodfall / Person holding Puffin (Fratercula arctica) as part of monitoring, Farne Islands, Northumberland, UK, June 2009

David Woodfall / Scientist monitoring Puffin (Fratercula arctica) chick to assess breeding success and ringing to monitor movements, Farne Islands, Northumberland, UK, June 2009

David Tipling / Puffin {Fratercula arctica} Sumburgh Head, Shetland Islands, June

David Tipling / Puffins {Fratercula arctica} in mist on cliffs at Hermaness NNR, Unst, Shetland Islands, Scotland, UK, June

Ross Hoddinott / Low tide at Sandymouth bay, sunset, north Cornwall, UK. January 2009.

Ross Hoddinott / Tide washing over pebbles at Sandymouth bay, north Cornwall, UK. January 2009.

Steve Knell / Puffin (Fratercula arctica) carrying sandeels in its beak and a pipefish around its neck. Inner Hebrides, Scotland. July

DAVID TIPLING / Distant view of Bass Rock, RSPB reserve and home to annual gannet breeding colony, Firth of Forth, Lothian, Scotland

Tui De Roy / Atlantic Puffin (Fratercula arctica) at entrance to nesting burrow during breeding season, Skomer Island, Wales

Tui De Roy / Atlantic Puffin (Fratercula arctica) at entrance to nesting burrow during breeding season, Skomer Island, Wales

Tui De Roy / Atlantic Puffin (Fratercula arctica) collecting vegetation for nesting material, Skomer Island, Wales

Tui De Roy / Atlantic Puffin (Fratercula arctica) exercising its diminutive wings at nesting colony site, Skomer Island, Wales

Tui De Roy / Atlantic Puffin (Fratercula arctica) exercising its diminutive wings at nesting colony site, Skomer Island, Wales

Tui De Roy / Atlantic Puffin (Fratercula arctica) three engaging in group courtship during breeding season, Skomer Island, Wales

Tui De Roy / Atlantic Puffin (Fratercula arctica) showing distinct coloration on beak during breeding season, Skomer Island, Wales

Tui De Roy / Atlantic Puffin (Fratercula arctica) showing distinct coloration on beak during breeding season, Skomer Island, Wales

John Cancalosi / Northern Gannet nesting colony {Morus bassanus} UK

Barry Bland / Atlantic puffin (Fratercula arctica) standing among flowers, Farne Islands, Northumberland, England, UK.

Barry Bland / Atlantic puffin (Fratercula arctica) with sandeels in its beak, Farne Islands, Northumberland, England, UK.

Barry Bland / Atlantic puffin (Fratercula arctica), Farne Islands, Northumberland, England, UK.

Barry Bland / Atlantic puffins (Fratercula arctica) in clifftop grass, Farne Islands, Northumberland, England, UK.

Barry Bland / Atlantic puffin (Fratercula arctica) with sand eels in its beak, Farne Islands, Northumberland, England, UK.

Barry Bland / Two Atlantic puffins (Fratercula arctica) in clifftop grass, Farne Islands, Northumberland, England, UK.

Barry Bland / Atlantic puffin (Fratercula arctica), Farne Islands, Northumberland, England, UK.

Peter Lewis / Group of puffins (Fratercula arctica) on coastal rock with a single razorbill (Alca torda), Isle of May, Scotland.

Tui De Roy / Atlantic Puffin (Fratercula arctica) showing distinct coloration on beak during breeding season, Skomer Island, Wales