Laurent Geslin / Adult and young Wild boars (Sus scrofa) searching for food at night on a street in Barcelona, Spain

Laurent Geslin / Beech marten (Martes foina) at night in city, Switzerland, taken using infra red beam

Shattil & Rozinski / Great horned owl (Bubo virginianus) perched on top of a lamp post, Colorado, USA, January.

Mark Taylor / Guildford town centre, flooded by River Wey at night, during Christmas flooding 2013. Surrey, England, UK, 25th December 2013.

Mark Taylor / Guildford town centre, flooded by River Wey at night, during Christmas flooding 2013. Surrey, England, UK, 25th December 2013.

Mark Taylor / Road flooded by River Wey during Christmas 2013 flooding, Guildford. Surrey, England, UK. 25th December 2013.

Flip de Nooyer / White Stork (Ciconia ciconia) two adults standing on a streetlight, Europe