Ole Jorgen Liodden / Arctic tern (Sterna paradisaea) attacking an Arctic Fox (Vulpes / Alopex lagopus) protecting its nest site, Spitsbergen, Svalbard, Norway. Highly commended, MAMMALS, GDT 2011 competition

Marie Read / Arctic terns (Sterna paradisaea), two in flight over nesting colony in field of buttercups (Ranunculus sp.), Keflavik, Iceland. Digital canvas expansion.

Markus Varesvuo / Arctic Tern (Sterna paradisaea) hovering in flight, June, Iceland. Magic Moments book plate.

Orsolya Haarberg / Arctic tern (Sterna paradisaea), adult feeding young. Jokulsarlon glacial lagoon. Iceland. August 2008

Paul Hobson / Arctic tern (Sterna paradisaea) two fighting in the air, Scotland, UK July

Andrew Walmsley / Arctic terns (Sterna paradisaea), adults defending their nests from photographers, Northumberland, June. No release available.

Markus Varesvuo / Arctic Tern (Sterna paradisaea) in flight, silhouetted against the moon at dusk, Uto Finland July

Peter Cairns / 2020VISION / Arctic Tern (Sterna paradisaea) in flight. Shetland, Scotland, August.

Rob Jordan / 2020VISION / Arctic tern (Sterna paradisaea) in flight at twilight using slow shutter speed to accentuate blur and motion in low-key light, Inner Farne, Farne Islands, Northumberland, July.

Rob Jordan / 2020VISION / Arctic tern (Sterna paradisaea) in flight, Inner Farne, Farne Islands, Northumberland, June.

David Tipling / 2020VISION / Arctic Tern (Sterna paradisaea) with sand eel in beak. Farne Islands, Northumberland, July.

Erlend Haarberg / Two Arctic terns (Sterna paradisaea) in flight fighting, Iceland, August