Brian Bevan / Robin (Erithacus rubella) feeding on lawn with daisies, pulling up worm, Bedfordshire, UK May.

Brian Bevan / Peregrine falcon (falco peregrinus) two juveniles calling for food on church tower, Northamptonshire, UK, June.

Brian Bevan / Peregrine falcon (falco peregrinus) juvenile preening on church tower, Northamptonshire, UK, June.

Brian Bevan / Peregrine falcon (falco peregrinus) juvenile perched on church tower, Northamptonshire, UK, June.

Brian Bevan / Common Kingfisher (Alcedo atthis) female preening on fishing perch, Bedfordshire, UK, April.

Brian Bevan / Common Kingfisher (Alcedo atthis) pair fishing from blackthorn branch, male flies off, Bedfordshire, UK, April.

Brian Bevan / Hobby (Falco subbuteo) catching insects over lake, Northamptonshire, UK, May.

Brian Bevan / Hobby (Falco subbuteo) catching insects over lake, Northamptonshire, UK, May.

Brian Bevan / Hobby (Falco subbuteo) catching insects over lake, Northamptonshire, UK, May.

Brian Bevan / Great crested grebe (Podiceps cristatus) pair exchanging incubation duties at nest, Bedfordshire, UK, April.

Brian Bevan / Great crested grebe (Podiceps cristatus) pair fighting then chasing, Bedfordshire, UK, April.

Brian Bevan / Great crested grebe (Podiceps cristatus) pair swimming then both dive, Bedfordshire, UK, April.

Brian Bevan / Signal crayfish (Pacifastacus leniusculus) crawling forward, Bedfordshire, UK, May.

Brian Bevan / Signal crayfish (Pacifastacus leniusculus) crawling forward, Bedfordshire, UK, May.

Brian Bevan / Bullfinch (Pyrrhula pyrrhula) female feeding in hawthorn bush then flies off, Northamptonshire, UK, April.

Brian Bevan / Bullfinch (Pyrrhula pyrrhula) male feeding in hawthorn bush, Northamptonshire, UK, April.

Brian Bevan / Black winged stilt (Himantopus himantopus) pair arranging nest material. Captive. Pensthorpe, Norfolk, July.

Brian Bevan / Black winged stilt (Himantopus himantopus) arranging nest material, Pensthorpe, Norfolk, July. Captive.

Brian Bevan / Black winged stilt (Himantopus himantopus) arranging nest material, Pensthorpe, Norfolk, July. Captive.

Brian Bevan / Avocett (Recurvirostra avosetta) juvenile feeding, Frampton, Lincolnshire, June.

Brian Bevan / Avocett (Recurvirostra avosetta) adult and juvenile feeding, Frampton, Lincolnshire, June.

Doug Gimesy / Grey-headed flying-fox (Pteropus poliocephalus) hanging upside down on branch in the rain, looking straight at camera, Yarra Bend, Kew, Victoria, Australia, November.

Doug Gimesy / Grey-headed flying-fox (Pteropus poliocephalus) hanging upside down on a branch, then stretches its wings before folding them again, Yarra Bend, Kew, Victoria, Australia, November.

Doug Gimesy / Grey-headed flying-fox (Pteropus poliocephalus) scratching its face and grooming after rain, Yarra Bend, Kew, Victoria, Australia, November.

Doug Gimesy / Grey-headed flying-fox (Pteropus poliocephalus) group hanging on branches grooming, Yarra Bend, Kew, Victoria, Australia, November.

Doug Gimesy / Grey-headed flying-fox (Pteropus poliocephalus) group hanging on branches in light rain, Yarra Bend, Kew, Victoria, Australia, November.

Doug Gimesy / Grey-headed flying-fox (Pteropus poliocephalus) hanging on branch in rain, looking straight at camera, Yarra Bend, Kew, Victoria, Australia, November.

Edwin Giesbers / Grey wolf (Canis lupus) standing on a high vantage point observing its surroundings, Biotoppark Anholt, Germany, October. Captive.

Edwin Giesbers / Grey wolf (Canis lupus) feeding on a carcass, picking it up with is teeth before holding it down with its paw in an attempt to break it apart, Biotoppark Anholt, Germany, May. Captive.

Edwin Giesbers / Grey wolf (Canis lupus) feeding on a carcass in front of another wolf before picking it up and moving it out of sight, Biotoppark Anholt, Germany, May. Captive.

Edwin Giesbers / Grey wolf (Canis lupus) lying down to rest while staying alert as it looks around, Biotoppark Anholt, Germany, March. Captive.

Simon Littlejohn / Female American mink (Neogale vison) entering a Kingfisher (Alcedo atthias) nest, then exiting with a chick, Stour River, Dorset, UK, July.

Simon Littlejohn / Female American mink (Neogale vison) entering a Kingfisher (Alcedo atthias) nest, followed by it exiting with a chick, Stour River, Dorset, UK, July.

Simon Littlejohn / Female American mink (Neogale vison) entering a Kingfisher (Alcedo atthias) nest, shortly followed by it exiting with nothing having previously raided all the chicks from the nest, Stour River, Dorset...

Simon Littlejohn / European otter (Lutra lutra) pup, approximately 15 weeks old, sitting on a small island of vegetation in the river, it struggles to swim against the fast flowing current but then reaches semi submerge...

Simon Littlejohn / Male Common kingfisher (Alcedo atthis) sitting on perch preening plumage, Stour River, Dorset, UK, April.

Richard Hopkins / Three Red fox (Vulpes vulpes) cubs fighting over food near the entrance of the den, Gloucestershire, UK, April.

Richard Hopkins / Red fox (Vulpes vulpes) cub sitting near entrance to the den, looking around, Gloucestershire, UK, April.

Richard Hopkins / Four European badgers (Meles meles) grooming by entrance to sett, Gloucestershire, UK, May.

Richard Hopkins / Pair of Red-throated divers (Gavia stellata) leaving the water to mate on the riverbank; the male dismounting before re-entering the water again, Shetland, UK, May.

Terry Whittaker / White-throated dipper (Cinclus cinclus) singing on old tyre, River Mersey, Greater Manchester, UK.

Terry Whittaker / White-throated dipper (Cinclus cinclus) feeding in shallow waters of the River Mersey before flying away, Greater Manchester, UK.

Nick Upton / Yellow swarming fly (Thaumatomyia notata) swarm aggregating between window panes, Wiltshire, England, UK. September.

Nick Upton / Yellow swarming fly (Thaumatomyia notata) swarm aggregating between window panes, Wiltshire, England, UK. September.

Nick Upton / Close up shot of Yellow swarming fly (Thaumatomyia notata) swarm aggregating between window panes, Wiltshire, England, UK. September.

Nick Upton / Close up shot of Yellow swarming fly (Thaumatomyia notata) swarm aggregating between window panes, Wiltshire, England, UK. September.

Nick Upton / Close up shot of Yellow swarming fly (Thaumatomyia notata) swarm aggregating between window panes, Wiltshire, England, UK. September.

Nick Upton / Close up shot of Yellow swarming fly (Thaumatomyia notata) swarm aggregating between window panes, Wiltshire, England, UK. September.

Nick Upton / Saxon wasp (Dolichovespula saxonica) feeding on nectar from Broad-leaved helleborine (Epipactis helleborine) flowers on a woodland margin, Somerset, UK, July.

Nick Upton / Jackdaw (Corvus monedula) pair landing on a chimney, before one with some vegetation in its beak enters it to build its nest with, watched by its mate, Wiltshire, UK, March.

Nick Upton / Jackdaw (Corvus monedula) perched on and entering a chimney with some vegetation in its beak to help build its nest with, Wiltshire, UK, March.

Nick Upton / Jackdaw (Corvus monedula) landing on and entering a chimney with some vegetation in its beak to help build its nest with, Wiltshire, UK, March.

Nick Upton / Jackdaw (Corvus monedula) jumping up to

Nick Upton / Female Grey seal (Halichoerus grypus) resting as she floats in the sea, The Gower, Wales, UK, July.

Nick Upton / Female Grey seal (Halichoerus grypus) sleeping as she floats in shallow waters, The Gower, Wales, UK, July.

Nick Upton / Green shield bug / Green stink bug (Palomena prasina) sunning on a Honeysuckle leaf in a garden with buildings in the background, head-on view, Wiltshire, UK, April.

Nick Upton / Green shield bug / Green stink bug (Palomena prasina) sunning on a Honeysuckle leaf in a garden with buildings in the background, Wiltshire, UK, April.

Nick Upton / Chiffchaff (Phylloscopus collybita) singing while perched in a bare tree branch with unopened leaf buds, Wiltshire, UK, March.

Nick Upton / Chiffchaff (Phylloscopus collybita) singing while perched in a bare tree branch with unopened leaf buds before flying off, Wiltshire, UK, March.

Nick Upton / Blue tit (Parus caeruleus) preening while perched in a Forsythia bush in a garden, Wiltshire, UK, April.

Nick Upton / Female Bee wolf (Philanthus triangulum) landing near her nest burrow in a bare sandy patch of heathland and digs her way in, Dorset, UK, July.

Michael W. Richards / Blackbird (Turdus merula) feeding and foraging on the ground, Somerset, UK, March.

Michael W. Richards / House sparrow (Passer domesticus) bathing in bird bath, Somerset, UK, November.

Michael W. Richards / Fieldfares (Turdus pilaris) feeding on apples on snow covered ground, Somerset, UK, March.

Michael W. Richards / Siskins (Carduelis spinus) feeding on birdfeeder while it snows, Somerset, UK, March.

Michael W. Richards / Jackdaws (Corvus monedula) feeding at birdtable in garden during blizzard, Somerset, UK, March.

Michael W. Richards / Rooks (Corvus frugilegus) landing on top of birdfeeder and eating peanuts in a garden, Somerset, UK, March.

Michael W. Richards / Jackdaws (Corvus monedula) flying to bird bath in garden before flying onto birdfeeder to eat fatballs, Somerset, UK, March.

Carlos Zorrilla / Braconid wasp (Braconidae sp.) cocoons attached to parasitized caterpillar, Ecuador.

Carlos Zorrilla / Crimson-rumped Toucanet (Aulacorhynchus haematopygus) feeding on coffee beans, Ecuado, November.

Carlos Zorrilla / Crimson-rumped Toucanet (Aulacorhynchus haematopygus) feeding on banana, Ecuador, November.

Carlos Zorrilla / Golden Tanager (Tangara arthus) eating Hollowheart (Acnistus arborescens) berries, Ecuador.

Carlos Zorrilla / Male Andean cock-of-the-rock (Rupicola peruvianus) eating Hollowheart (Acnistus arborescens) berries, Ecuador, January.

Carlos Zorrilla / Mixed flock of Tanagers feeding on Hollowheart (Acnistus arborescens) berries, Ecuador, February.

Carlos Zorrilla / Tarantula hawk (Pepsis sp.) dragging paralyzed spider to its den, Ecuador, September.

Carlos Zorrilla / Common potoo (Nyctibius griseus) fledgling preening before yawning, Ecuador.

Carlos Zorrilla / Saffron-Crowned Tanager (Tangara xanthocephala) and Golden Tanager (Tangara arthus) feeding on Acnistus fruit, Ecuador, February.

Carlos Zorrilla / Common potoo (Nyctibius griseus) sleeping, perched on branch, Ecauador.

Carlos Zorrilla / Male Andean cock-of-the-rock (Rupicola peruvianus) in Lek, Ecuador, April.

Carlos Zorrilla / Male Andean cock-of-the-rock (Rupicola peruvianus) perched in tree, Ecuador.

Neil Aldridge / Zebra jumping spider (Salticus scenicus) moving on leaf, Somerset, England, UK, May.

Neil Aldridge / Zebra jumping spider (Salticus scenicus) walking across foliage, Somerset, England, UK, May.

Neil Aldridge / Zebra jumping spider (Salticus scenicus) walking over leaf, Somerset, England, UK, May.

Neil Aldridge / Zebra jumping spider (Salticus scenicus) eating its prey on leaf, Somerset, England, UK, May.

Neil Aldridge / Zebra jumping spider (Salticus scenicus) sitting on foliage looking around before climbing up stem, Somerset, England, UK, May.

Neil Aldridge / Close up shot of male Sand lizard (Lacerta agilis) tail before it turns around to face camera and then runs out of frame, Dorset, England, UK, May.

Neil Aldridge / Male Sand lizard (Lacerta agilis) basking on sand dunes as an ant crawls over him, Dorset, England, UK, May.

Neil Aldridge / Male Sand lizard (Lacerta agilis) looking around alert before leaving, Dorset, England, UK, May.

Neil Aldridge / Sand lizard (Lacerta agilis) sheltering in the undergrowth, Dorset, England, UK, May.

Neil Aldridge / Tracking shot of Common kestrel (Falco tinnunculus) flying, Somerset, England, UK, June.

Neil Aldridge / Two Common kestrels (Falco tinnunculus) flying before landing on roof of a nest box on a pole, Somerset, England, UK, June.

Neil Aldridge / Common kestrel (Falco tinnunculus) sitting on roof of a nest box is joined by another, Somerset, England, UK, June.

Neil Aldridge / Tracking shot of Common kestrel (Falco tinnunculus) flying past houses and trees, Somerset, England, UK, June.

Neil Aldridge / Common kestrel (Falco tinnunculus) hovering before diving for prey, Cambridgeshire, England, UK, October.

Neil Aldridge / Common kestrel (Falco tinnunculus) hovering while hunting before flying away, Somerset, England, UK, June.

Neil Aldridge / Common kestrel (Falco tinnunculus) hoovering while hunting, Somerset, England, UK, June.