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 Green woodpecker (Picus viridis) feeding young at nest hole, shot looking up trunk, Bedfordshire, England, UK, June.

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

Brian Bevan / Male Green woodpecker (Picus viridis) feeding young at nest hole, shot looking up trunk, Bedfordshire, England, UK, June.

Brian Bevan / Pantaloon bee (Dasypoda hurtles) entering burrow with pollen, Bedfordshire, England, UK, August.

Brian Bevan / Long tailed tit (Aegithalos caudates) nest building, Bedfordshire, England, UK, April.

Brian Bevan / Slow motion clip of a male Kingfisher (Alcedo atthis) eating a fish, Bedfordshire, England, UK, July.

Brian Bevan / Slow motion clip of a male Kingfisher (Alcedo atthis) taking fish into nest hole before exiting backwards, Bedfordshire, England, UK, July.

Brian Bevan / Brown hare (Lepus europeans) feeding on barley, Bedfordshire, England, UK, June.

Brian Bevan / Surinam horned frog (Ceratophrys cornuta) eating a locust, UK. Captive, native to the Americas.

Brian Bevan / Wasp spider (Argiope bruennichi) weaving egg sac, Bedfordshire, England, UK, Agust.

Brian Bevan / Male Jackson's chameleon (Trioceros jacksonii) on a branch, looking around with turret eyes, UK. Captive, native to East Africa.

Brian Bevan / Pair of Reed warblers (Acrocephalus scirpaceus) feeding young at nest, Bedfordshire, England, UK, July.

Brian Bevan / Brown hare (Lepus europaeus) boxing, Bedfordshire, England, UK, March.

Brian Bevan / Two Giant african snails (Achatina fulica) emerging from their shells and looking around, UK. Captive.

Brian Bevan / Juvenile Jackson's chameleon (Chamaeleo jacksonii xantholophus) feeding, flicking tongue to catch insects. Captive.

Brian Bevan / Close-up of a group of Wood ants (Formica rufa) carrying a dead insect back to their nest, Bedfordshire, England, UK, August.

Brian Bevan / Close-up of a group of Wood ants (Formica rufa) carrying a dead Common wasp (Vespula vulgaris) back to their nest, Bedfordshire, England, UK, August.

Brian Bevan / Grey seal (Halichoerus grypus) pup trying to suckle, Norfolk, England, UK, January.

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.

Brian Bevan / Male Stag beetle (Lunacus cervus) moving along branch, Bedfordshire, UK, July.

Brian Bevan / Short eared owl (Asio flammeus) perching on fence in field, Cambridgeshire, UK, March.

Brian Bevan / Reeves pheasant (Syrmaticus reevesii) displaying in cornfield Bedfordshire, UK, April.

Brian Bevan / Reed warbler (Acrocephalus scirpaceus) building nest, Bedfordshire, UK, June.

Brian Bevan / Mistle thrush (Turdus viscivorus) flying to nest, feeding young, eating fecal sac before flying away Bedfordshire, UK, April.

Brian Bevan / Kingfisher (alcedo atthis) catching and stunning fish before eating it on perch, Bedfordshire, UK, June.

Brian Bevan / Corn bunting (Emberiza calandra) singing in flower field before flying away, Bedfordshire, UK, May.

Brian Bevan / Brown hare (Lepus europaeus) grooming paws before settling down Bedfordshire, UK, April.

Brian Bevan / Brown hare (Lepus europaeus) moving through field and feeding, Bedfordshire, UK, April.

Brian Bevan / Blue tit (Cyanistes caeruleus) feeding amongst flowers of cherry tree, Bedfordshire, UK, April.

Brian Bevan / Male European cuckoo (Cuculus canorus) calling from branch, showing throat expansion, flies off, Bedfordshire, England, UK, May.

Brian Bevan / Male European cuckoo (Cuculus canorus) perched on a bush, takes off, Bedfordshire, England, UK, May.

Brian Bevan / Male European cuckoo (Cuculus canorus) calling from branch, showing throat expansion, Bedfordshire, England, UK, May.

Brian Bevan / Spotted flycatcher (Muscicapa striata) feeding chicks at nest in a churchyard, Bedfordshire, England, UK, July.