Dave Bevan / Harvest mouse (Micromys minutus) climbing on corn stalks, UK, July. Captive.

Dave Bevan / Harvest mouse (Micromys minutus) climbing a Thistle (Cirsium), UK, July. Captive.

Dave Bevan / Harvest mouse (Micromys minutus) grooming, sitting on a wheat seedhead, UK, July. Captive.

Dave Bevan / Harvest mouse (Micromys minutus) climbing up and chewing on a thistle (Cirsium) stem, UK, July. Captive.

Dave Bevan / Common wasp (Vespula vulgaris) adding material to nest, Carmarthenshire, Wales, UK, July.

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

Dave Bevan / Pair of Sand martins (Riparia riparia) feeding chicks, Carmarthenshire, Wales, UK, July.

Dave Bevan / Male Blackbird (Turdus merula) catching European eel (Anguilla anguilla) elvers as they migrate up a waterfall, Ceredigion, Wales, UK, July.

Dave Bevan / Male Blackbird (Turdus merula) catching European eel (Anguilla anguilla) elvers as they migrate up a waterfall, Ceredigion, Wales, UK, July.

Dave Bevan / European eel (Anguilla anguilla) elvers migrating up a wet rock next to a waterfall, Ceredigion, Wales, UK, July.

Dave Bevan / Beaver (Castor fiber) swimming across a pond, reintoduced by the Welsh Beaver Project, Carmarthenshire, Wales, UK, June.

Dave Bevan / Clear felling harvester working in a conifer plantation, Carmarthenshire, Wales, UK, June.

Dave Bevan / Female Chaffinch (Fringilla coelebs) bringing moss to nest and incorporating it into nest before flying out of frame, Carmarthenshire, Wales, UK, May.

Dave Bevan / Female Chaffinch (Fringilla coelebs) shaping nest with her body and wings, Carmarthenshire, Wales, UK, May.

Dave Bevan / Male Pied flycatcher (Ficedula hypoleuca) calling to establish territory and attract a mate, Carmarthenshire, Wales, UK, May.

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.

Dave Bevan / Male Great spotted woodpecker (Dendrocopos major) descending down a wooden electricity pole, Carmarthenshire, Wales, UK, June.

Dave Bevan / Male Great spotted woodpecker (Dendrocopos major) flying to a nest hole in an electricty pole and feeding chick, Carmarthenshire, Wales, UK, June.

Dave Bevan / Common raven (Corvus corax) flying to nest to feed fledglings, Carmarthenshire, Wales, UK, May.

Dave Bevan / Slow motion clip of two pairs of Jackdaws (Corvus monedula) squabbling over nest site, Worcestershire, England, UK, May.

Dave Bevan / Slow motion clip of a Robin (Erithacus rubecula) flying to nest and feeding chicks, removes faecal sac, Carmarthenshire, Wales, UK, May.

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

Dave Bevan / Welsh mountain sheep cleaning afterbirth from a lamb before a second lamb is born, Carmarthenshire, Wales, UK, March.

Dave Bevan / Grey plover (Pluvialis squatarola) eating a marine flatworm, Norfolk, England, UK, February.

Dave Bevan / Robin (Erithacus rubecula) singing, Carmarthenshire, Wales, UK, February.

Dave Bevan / Red fox (Vulpes vulpes) digging out a mouse nest from under a raised bed, filmed at night using an infra red camera, Carmarthenshire, Wales, UK, January.

Dave Bevan / Juvenile male Wild boar (Sus scrofa) fighting to establish seniority, Gloucestershire, England, UK, December.

Dave Bevan / Juvenile Brown rats (Rattus norvegicus) raiding a chicken nest in a barn, filmed at night using an infra red camera, Carmarthenshire, Wales, UK, December.

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 Jay (Garrulus glandarius) feeding from a peanut string during a snowstorm, Carmarthenshire, Wales, UK, November.

Dave Bevan / Female Giant wood wasp (Uroceras gigas) inserting ovipositor into tree stump to lay eggs, Carmarthenshire, Wales, UK, September.

Dave Bevan / Herring gull (Larus argentatus) hunting for worms, stamping on ground with feet, Ceredigion, Wales, UK, November.

Dave Bevan / Murmuration of Common starlings (Sturnus vulgaris) flying above pier, Aberystwyth, Ceredigion, Wales, UK, October.

Dave Bevan / Juvenile Brown rat (Rattus norvegicus) feeding on grain in a barn, filmed at night using infra red, Carmarthenshire, Wales, UK, October.

Dave Bevan / Bittern (Botaurus stellaris) hunting and catching a fish, Suffolk, England, UK, October.

Dave Bevan / Elephant hawk-moth (Deilephila elpenor) caterpiller climbing down a Fuchsia (Fuchsia) plant, Carmarthenshire, Wales, UK, September.

Dave Bevan / Bank vole (Myodes glareolus) feeding from a bird feeder anlongside a Coal tit (Periparus ater) and Blue tit (Cyanistes caeruleus), Carmarthenshire, Wales, UK, September.

Dave Bevan / Swallow (Hirundo rustica) feeding juveniles perched on a rope near nest in a barn, Carmarthenshire, Wales, UK, September.

Dave Bevan / Pair of Swallows (Hirundo rustica) feeding chicks at nest in a barn, filmed using infra red, Carmarthenshire, Wales, UK, September.

Dave Bevan / Slow motion clip of Black garden ants (Lasius niger) moving exposed eggs underground, Carmarthenshire, Wales, UK, September.

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.

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.