Marie Read / Black-necked stilts (Himantopus mexicanus) pair performing post-copulatory display (as copulation ends, the male slides off the female leaving his wings draped over her and crossing his bill with hers...

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 / Juvenile Green woodpecker (Picus viridis) leaving nest hole, shot looking up trunk, Bedfordshire, England, UK, June.

Juergen Freund / Male Tooth-billed bowerbird (Scenopoeetes dentirostris) removing yellow leaves from his bower, leaving only green leaves turned over on the ground, Atherton Tablelands, Queensland, Australia.

Juergen Freund / Colony of Little red flying foxes (Pteropus scapulatus) leaving roost site, Atherton Tablelands, Queensland, Australia.

Dave Bevan / Slow motion clip of a Tawny owl (Strix aluco) leaving nest site in hollow tree, Carmarthenshire, Wales, UK, April.

Michael Quinton / Northern Flicker (Colaptes auratus) carrying fecal sac from nest cavity in forest, Alaska

Solvin Zankl / Honey bee (Apis mellifera), bees can link up to form a bridge, however in this image the bridge has just collapsed leaving just three bees linked. Kiel, Germany, June.

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.

Peter Bassett / King penguins (Aptenodytes patagonicus) entering and leaving the sea near their breeding colony, Salisbury Plain, South Georgia.

Ingo Arndt / Kingfisher (Alcedo atthis) leaving water after successfully catching a fish, Hessen, Germany, sequence 9/9

Ingo Arndt / Desert chameleon crossing sand leaving tracks, Namibia {Chamaeleo namaquensis}