Pal Hermansen / Brunnich's guillemot (Uria lomvia) taking off from water, Alkefjellet. Svalbard, Norway, July.

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 Puffin (Fratercula arctica) flock resting on a snow bank, Hornya, 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) portrait, Iceland, June.

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

Markus Varesvuo / Puffins (Fratercula arctica) 'bill-knocking' in a display of courtship behaviour, Norway, Scandinavia, April.