Jami Tarris / Caribou (Rangifer tarandus) entering teepee for food, Khovsgol, Mongolia

Nick Upton / Red mason bees (Osmia bicornis) entering and leaving nest hole drilled into a log within an insect hotel, Gloucestershire, England, UK, April.

Brian Bevan / Pantaloon bee (Dasypoda hurtles) entering burrow with pollen, Bedfordshire, England, UK, August.

Dave Bevan / Female Pantaloon bee (Dasypoda hirpites) returning to burrow, Bedfordshire, England, UK, July.

Dave Bevan / Slow motion clip of a pair of Common swifts (Apus apus) approaching and entering a nest hole in limestone cliff, Norfolk, England, UK, May.

David Perpinan / Blue-fronted amazon parrot (Amazona aestiva) entering nest in tree, Pantanal, Mato Grosso do Sul, Brazil.

David Perpinan / Great rufous woodcreeper (Xiphocolaptes major) arriving at nest site in a dead palm tree, climbs down to nest, Pantanal, Mato Grosso do Sul, Brazil.

Dave Bevan / Juvenile Brown rat (Rattus norvegicus) entering live trap and escaping, filmed at night using an infra red camera, Carmarthenshire, Wales, UK, November.

Dave Bevan / Slow motion clip of a Swallow (Hirundo rustica) flying into a barn in heavy rain, Carmarthenshire, Wales, UK, September.

Dave Bevan / Eastern grey squirrel (Sciurus, Carolinensis) entering top of a bird feeder, struggling to get out again, Carmarthenshire, Wales, UK, June.

Solvin Zankl / Honey bee 1+Apis mellifera+2 worker on freshly made honey comb, Kiel, Germany, May.

Dave Bevan / Slow motion clip of a Blue tit (Cyanistes caeruleus) flying to nest box, enters to feed nestlings and leaves, Carmarthenshire, Wales, UK, June.