Erlend Haarberg / Wild Reindeer (Rangifer tarandus) male smelling female to see if she is receptive to mating - flehmen - Forollhogna National Park. Norway, September

Alex Hyde / Map-winged Swift (Hepialus fusconebulosa) moth on a white background in mobile field studio. Peak District National Park, Derbyshire, UK. June.

Alex Hyde / Map-winged Swift (Hepialus fusconebulosa) moth. Peak District National Park, Derbyshire, UK. June.

Robert Thompson / Map-winged swift moth (Pharmacis fusconebulosa) Lackan Bog, County Down, Northern Ireland, UK, June

Robert Thompson / Map-winged swift moth (Pharmacis fusconebulosa) Annagarriff Wood NNR, County Armagh, Northern Ireland, UK, July