Alex Mustard / Puffins (Fratercula arctica) swimming underwater. Puffins spend most of their lives at sea and are excellent underwater swimmers, which is how they catch small fish, their main food. , Farne Islands,...

David Tipling / Puffin (Fratercula arctica) group of three, Farne Islands, Northumberland, UK July

Dave Bevan / Atlantic puffin (Fratercula arctica) returning to nest site, falls over, Yorkshire, England, UK, May.

George Sanker / Atlantic puffin (Fratercula arctica) landing, wings outstretched. Machias Seal Island, off the coast of Maine, USA. July.

SCOTLAND: The Big Picture / Puffin (Fratercula arctica) silhouetted at sunset on Hermaness, Shetland, Scotland, UK, June.

SCOTLAND: The Big Picture / Puffins (Fratercula arctica) Shaint Isles, Scotland, UK, June.

SCOTLAND: The Big Picture / Puffins (Fratercula arctica) and Razorbills (Alca torda) with Eilean Mhuire behind, Shiant Isles, Outer Hebrides, Scotland, UK. June, 2018

Philippe Clement / Two Atlantic puffins (Fratercula arctica) in breeding plumage on cliff top, Sumburgh Head, Shetland Islands, Scotland, UK, June.

Guy Edwardes / Puffin (Fratercula arctica) wings spread backlit, Great Saltee Island, County Wexford, Republic of Ireland, June.

SCOTLAND: The Big Picture / Atlantic puffin (Fratercula arctica) flapping with sand eels in beak, in evening light, Fair Isle, Shetland, Scotland, UK, June.

Danny Green / Atlantic Puffins (Fratercula arctica) bill rubbing, Skomer Island, Wales, UK, April

Danny Green / Atlantic Puffin (Fratercula arctica) flock resting on a snow bank, Hornøya, Varanger, Norway, April

Danny Green / Atlantic Puffin (Fratercula arctica) looking down a nesting chamber, Skomer Island, Wales, UK, May

Danny Green / Atlantic Puffin (Fratercula arctica) wing stretching with sand eels in beak, Flannan Isles, Scotland, UK, July

Danny Green / Atlantic Puffin (Fratercula arctica) coming out of its burrow with a gift, Skomer Island, Wales, UK, May

Danny Green / Atlantic Puffins (Fratercula arctica) resting on a cliff top in the sunset, Sule Skerry, Scotland, UK, July

Danny Green / Atlantic Puffin (Fratercula arctica) preening in late evening light, Heimaey, Westman Isles, Iceland, June

Danny Green / Atlantic Puffin (Fratercula arctica) pair bill rubbing part of courtship ritual, Skomer Island, Wales, UK, May

Pal Hermansen / Puffin (Fratercula arctica) close up portrait, Iceland, June.

Pal Hermansen / Puffin (Fratercula arctica) portrait, Iceland, June.

Cyril Ruoso / Atlantic puffin (Larus tridactyla) seen from burrow, Iceland, July.

SCOTLAND: The Big Picture / Puffin (Fratercula arctica), with Thrift (Armeria maritima) in the foreground, Fair Isle, Shetland Islands, Scotland, UK, July.

Espen Bergersen / Atlantic puffins (Fratercula arctica) group interacting, Hornoya bird cliff, Finnmark, Norway. March.

Espen Bergersen / Atlantic puffin (Fratercula arctica) and European shag (Phalacrocorax aristotelis) Hornoya, Finnmark, Norway. March.

Espen Bergersen / Atlantic puffin (Fratercula arctica) two fighting in snow, Hornoya bird cliff, Finnmark, Norway. March.

Espen Bergersen / Atlantic puffin (Fratercula arctica) two birds fighting at nesting ground, Hornoya bird cliff, Finnmark, Norway. March.

Espen Bergersen / Atlantic puffin (Fratercula arctica) two calling aggresively in snow, Hornøya birdcliff, Finnmark, Norway.

Espen Bergersen / Razorbills (Alca torda) in flight, with Atlantic puffin (Fratercula arctica) behind, Hornoya, Norway. March

Ole Jorgen Liodden / Atlantic puffin (Fratercula arctica arctica) in flight carrying sandeels and larger fish, Hornoya, Vardo, Norway, July.

David Pattyn / Puffin (Fratercula arctica), Hornoya, Varanger, Finnmark, Norway, April.

David Pattyn / Puffin (Fratercula arctica) silhouettes, Hornoya, Varanger, Finnmark, Norway, May.

Markus Varesvuo / Puffin (Fratercula arctica) silhouetted at sunset, Shetland Islands, Scotland, UK, July.

Andy Trowbridge / Puffin (Fratercula arctica) standing on flowering Sea thrift (Armeria maritima). Portrait. Fair Island, Shetland Islands, Scotland, July.

Andy Trowbridge / Puffin (Fratercula arctica) in flight, with beak full of sand eels. Fair Island, Shetland Islands, Scotland, July.

Andy Trowbridge / Puffin (Fratercula arctica) standing on Sea thrift (Armeria maritima) with wings out stretched with a beak full of sand eels. Close-up portrait. Fair Island, Shetland Islands, Scotland, July.

Andy Trowbridge / Puffin (Fratercula arctica) sitting on Sea thrift (Armeria maritima) with beak full of sand eels. Close-up portrait. Fair Island, Shetland Islands, Scotland, July.

David Pattyn / Puffin (Fratercula arctica) through soft focus vegetation. Great Saltee, Saltee Islands, County Wexford, Ireland, June.

David Pattyn / Puffin (Fratercula arctica )through soft focus vegetation. Great Saltee, Saltee Islands, County Wexford, Ireland, June.

Andy Trowbridge / Atlantic Puffin (Fratercula arctica) in flight, coming into land with beak full of sand eels (Ammodytes tobianus). Fair Isle, Shetland Islands, Scotland, UK, July.

Danny Green / Atlantic Puffin (Fratercula arctica) resting on a snow bank, Isle of Hornoya, Varanger, Norway, April. Bookplate from Danny Green's 'The Long Journey North'

Richard Steel / 2020VISION / Puffin (Fratercula arctica) with beak full of sandeels, Farne Islands, Northumberland, England, UK, July.

Andrew Parkinson / Puffin (Fratercula arctica) in flight with two fish in beak. Farne Islands, UK, July.

Rob Jordan / 2020VISION / Group of Atlantic puffins (Fratercula arctica) displaying and vocalising, Farne Islands, Northumberland, England, UK, July

Rob Jordan / 2020VISION / Puffin (Fratercula arctica) with sand eels in beak, Farne Islands, Northumberland, June.

Mark Hamblin / 2020VISION / Atlantic Puffin (Fratercula artica) adult on breeding cliffs. Hermaness NNR, Shetland, UK, June. Did you know? After the breeding season puffins lose their bright beaks and the colourful markings arou...

Mark Hamblin / 2020VISION / Atlantic Puffin (Fratercula artica) adults on breeding cliffs. Hermaness NNR, Shetland, UK, June.

Danny Green / 2020VISION / Atlantic Puffins (Fratercula arctica) silhouetted against dusk light. Kerry, Scotland, UK.

Erlend Haarberg / Atlantic puffin (Fratercula arctica) with plant in beak, Iceland, July