Ross Hoddinott / Buff tip moth (Phalera bucephala) caterpillars feeding on leaf, Meeth Quarry, Devon, UK. July

Ingo Arndt / Buff tip moth (Phalera bucephala) protective web covering caterpillars and food plant, Hungary, June.

Ingo Arndt / Buff tip moth (Phalera bucephala) caterpillars feeding on leaf, Hungary, June.

Thomas Hinsche/ BIA / Common Goldeneye (Bucephala clangula) male flapping, Saxony-Anhalt, Germany

Jussi Murtosaari / Goldeneye (Bucephala clangula) with chicks swimming behind, Helsinki, Uusimaa, Finland, May.

Markus Varesvuo / Barrow´s Goldeneye (Bucephala islandica) female and male on water, Iceland. June

Markus Varesvuo / Barrow´s Goldeneye (Bucephala islandica) male on water, Iceland. June

Connor Stefanison / Barrow's Goldeneye (Bucephala islandica) taking flight, British Columbia, Canada

Fergus Gill / 2020VISION / Male Goldeneye (Bucephala clangula), Hogganfield Loch, Glasgow, Scotland, UK, February. Did you know? Goldeneyes forest ducks, which nest in trees.

Ben Hall / Goldeneye duck (Bucephala clangula) drake performing courtship display, Lancashire, UK February

Peter Cairns / 2020VISION / Goldeneye duck (Clangula bucephala) male on Loch Vaa at dawn, Cairngorms National Park, Highlands, Scotland, UK, April 2011

Robert Thompson / Buff-tip moth (Phalera bucephala) camouflaged on branch, Lackan Bog, County Down, Northern Ireland, UK, June