Ross Hoddinott / Silver-studded blue butterflies (Plebejus argus) resting on grass and backlit by the sun, Upton Towans, Cornwall, UK. June 2017.

Ann & Steve Toon / Common wildebeest (Connochaetes taurinus) with reflection at waterhole, Zimanga private game reserve, KwaZulu-Natal, South Africa, September

Jussi Murtosaari / Geranium Argus butterfly (Plebejus eumedon) feeding on Wood Cranesbill (Geranium sylvaticum) northern Finland, June.

Chris Gomersall / 2020VISION / Silver-studded blue butterfly (Plebeius argus) well-worn male at rest on Bell heather (Erica cinerea) Minsmere RSPB reserve, Suffolk, UK, July

Chris Gomersall / 2020VISION / Silver-studded blue butterfly (Plebeius argus) male at rest on Bell heather (Erica cinerea) Minsmere RSPB reserve, Suffolk, UK, July

Chris Gomersall / 2020VISION / Silver-studded blue butterfly (Plebeius argus) at rest on plant, Minsmere RSPB reserve, Suffolk, UK, July. 2020VISION Book Plate.

Rod Williams / Male brown argus (Aricia agestis) on wild marjoram, Hutchinson's Bank, New Addington, London, England, August

Rod Williams / Male brown argus butterfly (Aricia agestis) feeding on common ragwort, Sutcliffe Park Nature Reserve, Eltham, London, July

Robert Thompson / Brown argus butterfly (Aricia agestis), French Pyrenees. May

Konrad Wothe / Slow motion clip of a Blue butterfly (Lycaenidae) flying and nectaring on Purple loosestrife (Lythrum salicaria), Bavaria, Germany, July.

Konrad Wothe / Slow motion clip of a Blue butterfly (Lycaenidae) flying and nectaring on Purple loosestrife (Lythrum salicaria), disturbed by a Skipper (Thymelicus), Bavaria, Germany, July.

Ross Hoddinott / Silver-studded blue butterflies (Plebejus argus) resting on grass and backlit by the sun, Upton Towans, Cornwall, UK. June.