Mario Suarez Porras/ BIA / Atlantic Puffin (Fratercula arctica) with fish prey, Farne Islands, England, United Kingdom

Brais Seara Fernandez/ BIA / Atlantic Puffin (Fratercula arctica) pair preening, Farne Islands, United Kingdom

Brais Seara Fernandez/ BIA / Atlantic Puffin (Fratercula arctica) with sandeel prey, Farne Islands, United Kingdom

David Williams/ BIA / Common Starling (Sturnus vulgaris) flock flying over lake, Wales, United Kingdom

Bruno de Faveri / Arctic Tern (Sterna paradisaea) with begging chick, Farne Islands, England, United Kingdom

Sebastian Kennerknecht / Atlantic Puffin (Fratercula arctica) at nest burrow, Skomer Island National Nature Reserve, Skomer Island, Pembrokeshire, Wales, United Kingdom

Richard Steel / Snow Bunting (Plectrophenax nivalis) female, Wales, United Kingdom

Jiri Slama / Northern Gannet (Morus bassanus) pair in courting display, Bass Rock, Scotland, United Kingdom

David Williams/ BIA / Common Shelduck (Tadorna tadorna) flying, Wales, United Kingdom

David Williams/ BIA / Eurasian Kestrel (Falco tinnunculus) male, Wales, United Kingdom

Brais Seara Fernandez/ BIA / Razorbill (Alca torda) pair courting, Scotland, United Kingdom

Brais Seara Fernandez/ BIA / Razorbill (Alca torda), Scotland, United Kingdom