Brian Bevan / Male European cuckoo (Cuculus canorus) trying to mate with a decoy female, used as part of a scientific study, Bedfordshire, England, UK, May.

Brian Bevan / Male European cuckoo (Cuculus canorus) calling to another male from branch, flies off, Bedfordshire, England, UK, May.

Brian Bevan / Male European cuckoo (Cuculus canorus) trying to mate with a decoy female, used as part of a scientific study, Bedfordshire, England, UK, May.

Brian Bevan / Male European cuckoo (Cuculus canorus) calling to another male, before flying off in response to a female, Bedfordshire, England, UK, May.

Brian Bevan / Male Kingfisher (Alcedo atthis) perched in a Beech tree before flying away and exiting frame, Bedfordshire, UK, September.

Brian Bevan / Male Kingfisher (Alcedo atthis) landing on branch after capturing fish then uses perch to stun prey before flying away, Bedfordshire, UK, July.

Brian Bevan / Male Kingfisher (Alcedo atthis) landing on perch, Bedfordshire, UK, July.

Brian Bevan / Grey heron (Ardea cinerea) ruffling its feathers before drinking from the river, Cambridgeshire, UK, September.

Brian Bevan / Grey heron (Ardea cinerea) catching and swallowing a small perch, Cambridgeshire, UK, September.

Brian Bevan / Slow motion clip of Common tern (Sterna hirundo) flying into frame and taking fish from waters surface before exiting frame, Bedfordshire, UK, July.

Brian Bevan / Bullhead millers thumb (Cottus gobio) resting amongst stones, Befordshire, UK, November. Controlled conditions.

Brian Bevan / European bee wolf (Philanthus triangulum) excavating nest burrow, Bedfordshire, UK, September.

Brian Bevan / Wren (Troglodytes troglodytes) feeding chicks and removing fecal sac from nest in garden, Bedfordshire, UK, August

Brian Bevan / Wren (Troglodytes troglodytes) feeding chicks and removing fecal sac from nest in garden, Bedfordshire, UK, August.

Brian Bevan / Wood pigeon (Columba palumbus) resting with chick in nest before catching a fly and eating it, Bedfordshire, UK, August.

Brian Bevan / Wasp spider (Argiope bruennichi) rushing over to its prey in web and wrapping it in silk, Bedfordshire, UK, August.

Brian Bevan / Wasp spider (Argiope bruennichi) in web, wrapping its prey in silk, Bedfordshire, UK, August.

Brian Bevan / Wasp spider (Argiope bruennichi) eating a fly caught in its web, Bedfordshire, UK, August

Brian Bevan / Young European perch (Perca fluviatilis) swimming, Bedfordshire, UK, Novermber. Controlled conditions.

Brian Bevan / Pantaloon bee (Dasypoda hirtipes) digging nesting burrow, Bedfordshire, UK, September.

Brian Bevan / Small shoal of Eurasian minnow (Phoxinus phoxinus) swimming, Bedfordshire, UK, October. Controlled conditions.

Brian Bevan / Hornet (Vespa crabro) leaving and returning to nest site in willow tree, Cambridgeshire, UK, September.

Brian Bevan / Hornet (Vespa crabro) leaving and returning to nest site in willow tree, Cambridgeshire, UK, September.

Brian Bevan / Hornet (Vespa crabro) guarding entrance to nest, gives way to incoming hornets, Cambridgeshire, UK, September.

Brian Bevan / Two Harvest mice (Micromys minutus) exploring blackberries on branch, Bedfordshire, UK, September. Controlled conditions.

Brian Bevan / Two Harvest mice (Micromys minutus) exploring blackberries on branch, Bedfordshire, UK, September. Controlled conditions.

Brian Bevan / Harvest mouse (Micromys minutus) exploring blackberries on branch, Bedfordshire, UK, September. Controlled conditions.

Brian Bevan / Harvest mouse (Micromys minutus) climbing down blackberries on branch, Bedfordshire, UK, September. Controlled conditions.

Brian Bevan / Close up shot of Gudgeon (Gobio gobio) head showing barbels backlit, Bedfordshire, UK, November. Controlled conditions.

Brian Bevan / Melanistic grey squirrel (Sciurus carolinensis) searching for, finding and eating chestnuts amongst autumn leaves, Bedfordshire, UK, October.

Brian Bevan / Melanistic Grey squirrel (Sciurus carolinensis) feeding on acorn before exiting frame, Bedfordshire, UK, October.

Brian Bevan / Melanistic Grey squirrel (Sciurus carolinensis) sitting in tree feeding on chestnut, Bedfordshire, UK,

Brian Bevan / Grass snake (Natrix natrix) at pond edge sensing with tongue, Bedfordshire, UK, September.

Brian Bevan / Grass snake (Natrix natrix) sensing with tongue while swimming through duckweed in pond, Bedfordshire, UK, September.

Brian Bevan / Grass snake (Natrix natrix) moving through grass at pond edge, Bedfordshire, UK, September.

Brian Bevan / Common cuckoo (Cuculus canorus) fledgling scratching head while perched in a willow tree, Bedfordshire, UK, July.

Brian Bevan / Yellowhammer (Emberiza citronella) singing from bramble patch, Bedfordshire, UK, April.

Brian Bevan / Yellowhammer (Emberiza citronella) perched on branch calling, Bedfordshire, UK, April.

Brian Bevan / Male Yellow wagtail (Motacilla flava) drinking from puddle, Bedfordshire, UK, May.

Brian Bevan / Male Yellow wagtail (Motacilla flava) wagging tail before leaving frame, Bedfordshire, UK, May.

Brian Bevan / Female Yellow wagtail (Motacilla flava) drinking from puddle, Bedfordshire, UK, May.

Brian Bevan / Male Yellow wagtail (Motacilla flava) preening and hiding from predators, Bedfordshire, UK, May.

Brian Bevan / Wren (Troglodytes troglodytes) singing from cherry blossom, Bedfordshire, UK, April.

Brian Bevan / Northern wheatear (Oenanthe oenanthe) eating mealworm, Bedfordshire, UK, May.

Brian Bevan / Starling (Sturnus vulgaris) parent feeding young before flying away with fecal sac, Bedfordshire, UK, June.

Brian Bevan / Starling (Sturnus vulgaris) parent feeding young at nest before flying away, Bedfordshire, UK, June.

Brian Bevan / Pair of Male Stag beetle (Lunacus cervus) investigating each other on branch, Bedfordshire, UK, July.

Brian Bevan / Pair of Male Stag beetle (Lunacus cervus) investigating each other on branch, Bedfordshire, UK, July.