Tony Wu / Zoarchias major eelpouts. (Zoarchias major) The orange individual is female, the one in the hole is male. The female has approached the male, curled around him, attempting to dislodge the male from th...

Andy Rouse / Red fox, (Vulpes vulpes), in bluebells, UK

TJ Rich / Black working cocker spaniel in bluebells, in beech woodland, Micheldever Woods, Hampshire, UK

Eric Baccega / Giant panda (Ailuropoda melanoleuca) female, Huan Huan, out in her enclosure in mist, Captive at Beauval Zoo, Saint Aignan sur Cher, France. The mist is created artificially by machine, in order to cr...

Eric Baccega / Giant panda (Ailuropoda melanoleuca) female, Huan Huan, out in her enclosure in mist, Captive at Beauval Zoo, Saint Aignan sur Cher, France The mist is created artificially by machine, in order to cr...

Robert Thompson / Common wasp (Vespula vulgaris) flying to fuchsia flower, Banbridge, County Down, Northern Ireland.

SCOTLAND: The Big Picture / Atlantic salmon (Salmo salar) leaping up a small waterfall in order to reach breeding grounds further upstream, Cairngorms National Park, Scotland, UK, October.

Yukihiro Fukuda / Japanese giant salamander (Andrias japonicus) emerging from hole and reaching up to the surface in order to breathe, Hino River, Tottori-ken, Japan, September.

Ingo Arndt / Vogelkop bowerbird (Amblyornis inornatus) decoration material (fruit and beetle elytra ) collected in order to attract females to his bower, Arfak Mountains, Irian Jaya, New Guinea, Indonesia.

Ingo Arndt / Vogelkop bowerbird (Amblyornis inornatus) decoration material (fungus) collected in order to attract females to his bower, Arfak Mountains, Irian Jaya, New Guinea, Indonesia.

Ingo Arndt / Vogelkop bowerbird (Amblyornis inornatus) decoration material (blue rotten wood) collected in order to attract females to his bower, Arfak Mountains, Irian Jaya, New Guinea, Indonesia.

Ben Hall / Red fox (Vulpes vulpes) peering from behind tree with bluebells in foreground, Cheshire, June.