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) attempting to enter a Kingfisher (Alcedo atthias) nest from above but it loosing its grip it falls into the river, Stour River, Dorset, UK, July.

Simon Littlejohn / Female American mink (Neogale vison) entering a Kingfisher (Alcedo atthias) nest and taking 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 / Female European otter (Lutra lutra) rescuing one of her young pups who was washed away by the current, only to have the pup swim straight back into the river as she leaves, River Stour, Dorset, UK, Ja...

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 / Mute swan (Cygnus olor) mating with a young female, holding her head under the water, a rival male chases him off and the female flying away, River Stour, Dorset, UK, February.

Simon Littlejohn / Common kingfisher (Alcedo atthis) perched outside its nest, opening its wings and beak in an aggressive display to a Common blackbird (Turdus merula) which eventually flies away, River Stour, Dorset,...

Simon Littlejohn / Female Common kingfisher (Alcedo atthis) joining a male perched on branch, he passes her his catch before he flies away, River Stour, Dorset, UK, April.

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

Andy Rouse / Dipper (Cinclus cinclus) on rock in river, with food in its bill, Wales, UK. May.

Andy Rouse / Dipper (Cinclus cinclus) on rocks in river, Wales, UK. May.

Andy Rouse / Dipper (Cinclus cinclus) on rocks in river, Wales, UK.

Andy Rouse / Dipper (Cinclus cinclus) on rocks in river, Wales, UK.

Andy Rouse / Dipper (Cinclus cinclus) perched in front of waterfall, with food in bill, Wales. May.

Andy Rouse / Dipper (Cinclus cinclus) on rocks in waterfall, Wales. May.

Andy Rouse / Dipper (Cinclus cinclus) moving through river spray in waterfall, Wales. May.

Andy Rouse / Dipper (Cinclus cinclus) on rocks in waterfall, Wales. May.

Andy Rouse / Dipper (Cinclus cinclus) perched on rock in waterfall, Wales, UK.

Andy Rouse / Dipper (Cinclus cinclus) perched on rock in river with food in bill, Wales, UK. May.

Andy Rouse / RF - Dipper (Cinclus cinclus) on rocks in waterfall, Wales, UK. May. (This image may be licensed either as rights managed or royalty free.).

Andy Rouse / RF - Dipper (Cinclus cinclus) perched on rock in river with food in bill, Wales, UK, May. (This image may be licensed either as rights managed or royalty free.).

Andy Rouse / Roe Deer (Capreolus capreolus) doe in habitat, Wiltshire, UK. July.

Terry Whittaker / Dipper (Cinclus cinclus) perched on discarded shopping trolley, River Mersey, Greater Manchester. Winner in the Urban category of Bird Photographer of the Year competition 2021.

Georgette Douwma / Common frog (Rana temporaria) tadpoles overwintering in the water. They will metamorphose the next season, London, England, UK. April.

Georgette Douwma / Common frog (Rana temporaria) tadpoles feeding on Common garden snail (Helix aspersa) which has fallen in the water; small pond snails on its shell, London, England, UK. May.

Georgette Douwma / Common frog tadpole (Rana temporaria) with hind legs just developing, with Mosquito larvae (Culex pipiens), London, England, UK. May.

Georgette Douwma / Common froglet (Rana temporaria), with front and hind legs visible and the tail almost gone, London, England, UK. June.

Georgette Douwma / Common frog tadpoles (Rana temporaria). One tadpole has developed front and hind legs, London, England, UK. June.

Georgette Douwma / Common frog tadpoles (Rana temporaria). The largest tadpole had overwintered in the water and has just started to develop hind legs. Not all tadpoles turn into frogs in the same year they hatch; some...

Georgette Douwma / Three Common frog tadpoles (Rana temporaria) on a lilypad, London, England, UK. April.

Colin Varndell / Grey squirrel (Sciurus carolinensis) and its reflection in water, Dorset, UK March.

Colin Varndell / Female Emerald damselfly (Lestes sponsa) resting on grass blade, Morden Bog, Dorset, UK, June.

Colin Varndell / Bank voles (Myodes glareolus) in a hollow log surrounded by ferns (captive), Dorset, UK, July.

Colin Varndell / Bank vole (Myodes glareolus) climbing amongst blackberries (Rubus sp.) (captive). Dorset, UK, August.

Colin Varndell / Adult Wood mouse (Apodemus sylvaticus) climbing on an Ash tree (Fraxinus sp.) branch. Dorset, UK, August.

Colin Varndell / Treecreeper (Certhia familiaris) threat display to a Bank vole (Myodes glareolus) robbing its nest. Dorset, UK, May.

Colin Varndell / Marsh frog (Pelophylax ridibundus) resting. Bexington, Dorset, UK, May.

Colin Varndell / Harvest mouse (Micromys minutus) climbing on a dead flower head (captive) Dorset, UK, May.

Colin Varndell / Round-leaved sundew (Drosera rotundifolia). Studland Heath, Dorset, UK, June.

Colin Varndell / Common larch tree( Larix decidua) new needles. Dorset, UK, March.

Colin Varndell / Common hawthorn (Crataegus monogyna) flowers in May blossom. Dorset, UK, May.

Colin Varndell / Blackthorn (Prunus spinosa) flowers against blue sky. Dorset, UK, April.

Colin Varndell / Beech trees (Fagus sylvatica) along a woodland path in Dorset, UK, May.

Colin Varndell / Tar spot fungus (Rhytisma acerinum) on a sycamore (Acer pseudoplatanus) leaf. Dorset, UK, September.

Colin Varndell / Southern marsh orchids (Dactylorhiza praetermissa) in bloom, Dorset, UK, June.

Mike Potts / Willow Warbler (Phylloscopus trochilus) in reedbed with a damselfly larva in its beak, RSPB Conwy Reserve, North Wales, May.

Mike Potts / Lighthouse in distance at South Stack, Anglesey, North Wales.

Mike Potts / Spring Flowers on a clifftop with Lleyn Peninsula in distance, South Stack, Anglesey, North Wales, May.

Mike Potts / Spring Flowers on a clifftop with lighthouse beyond, South Stack, Anglesey, North Wales, May.

Mike Potts / Spring Flowers on a clifftop with Ellens Tower and Lighthouse beyond, South Stack, Anglesey, North Wales, May.

Mike Potts / The Sir David Atteborough polar research boat in Holyhead Harbour, North Wales, where she was undergoing sea trials in the Irish Sea.

Mike Potts / Post breeding flock of Curlew (Numenius arquata) in flight over Lavan Sands, Bangor, North Wales, July.

Mike Potts / Widgeon (Anas penelope) group on flooded grassland, RSPB Cors Ddyga Reserve, Gaerwn, Anglesey, North Wales, July.

Mike Potts / Wintering Pale bellied brent geese (Branta berniicla hrota) feeding on marine grasses, Menai Straits, Anglesey, North Wales, July.

John Waters / Churchyard in evening light, Westbury-on-Trym, near Bristol, UK, April, 2021.

John Waters / Caterpillars of the Bird-cherry ermine moth (Yponomeuta evonymella) among silk strands of a huge communal web covering host tree (Prunus padus) and protecting the many pupae in their silk cocoons from...

John Waters / Caterpillar of Bird-cherry ermine moth (Yponomeuta evonymella) among silk strands of a huge communal web that covering the host tree (Prunus padus) and protecting the many pupae in silk cocoons from a...

John Waters / Bumblebee (probably Bombus terrestris) visiting flowers of Sainfoin (Onobrychis viciifolia) in a restored wildflower meadow, near Bristol, UK, June, 2021.

John Waters / Bumblebee (not identified) visiting flowers of Sainfoin (Onobrychis viciifolia) in a restored wildflower meadow, near Bristol, UK, June, 2021.

John Waters / Broomrape (probably Orobanche minor) flowering stems, a parasitic plant, emerging in deciduous woodland, near Bristol, UK, April, 2021.

John Waters / Close-up of Broomrape (probably Orobanche minor) flowering spike, a parastic plant, in woodland near Bristol, UK, April, 2021.

John Waters / A young Broomrape (probably Orobanche minor), a parasitic plant, flowering and emerging at base of a coppiced hazel (Corylus avellana) in a woodland near Bristol, UK, April, 2021.

John Waters / Close-up of Bluebell (Hyacinthoides non-scripta) flowers in a deciduous woodland near Bristol, UK, May, 2021.

John Waters / Close-up of Bluebell (Hyacinthoides non-scripta) flower in a deciduous woodland near Bristol, UK, May, 2021.

John Waters / Blackthorn (Prunus spinosa) in flower, cpvered with blossom, near Bristol, UK, April, 2021.

John Waters / Landscape of Berkeley Deer Park, established in the 13th century, containing ancient trees and unimproved grassland, rich in anthills, Gloucestershire, UK, March, 2021.

John Waters / Landscape of Berkeley Deer Park, established in the 13th century, containing ancient trees and unimproved grassland, rich in anthills, with a herd of Fallow Deer (Dama dama) Gloucestershire, UK, March...

John Waters / Landscape of Berkeley Deer Park, established in the 13th century, containing ancient trees and unimproved grassland, rich in anthills, Gloucestershire, UK, March, 2021.

John Waters / Grove of mature beech trees (Fagus sylvatica) growing on old lead-mining area, Mendips AONB, Somerset, UK, April, 2021.

John Waters / Oak tree (Quercus sp.), probably several hundred years old, near Blagdon Lake, Somerset, UK, March, 2021.

John Waters / Common European adder (Vipera berus) advancing and flicking tongue, Mendips AONB, Somerset, UK, March, 2021.

John Waters / Common European adder (Vipera berus) curled up under a bush, Mendips AONB, Somerset, UK, March, 2021.

John Waters / Wild Garlic (Allium ursinum) in flower dominating the understory of deciduous woodland near Bristol, UK, May, 2021.

John Waters / Flowering Wild garlic (Allium ursinum) dominating the understory in deciduous woodland near Bristol, UK, May, 2021.

John Waters / Wild Garlic (Allium ursinum) flowers in evening sun, deciduous woodland near Bristol, UK, May, 2021.

John Waters / Primroses (Primula vulgaris) beside a footpath with a rambler walking past, deciduous woodland, Mendips AONB, Somerset, UK, March, 2021.

John Waters / Scenic view of the Jurassic Coast from the Coast Path, overlooking Chapman's Pool with St. Aldelms Head in distance, near Worth Matravers, Dorsey, UK, April, 2021.

John Waters / Ichneumon wasp (probably Pimpla sp.) searching for a pupa of small Ermine moth (Yponomeuta evonymella) within the sheet of communal web made by the caterpillars, upon which the wasp is resting. Bristo...

John Waters / Ichneumon wasp (probably Pimpla, sp.) laying an egg in the pupa of a Bird-cherry ermine moth (Yponomeuta evonymella), using its ovipositor. A caterpillar of the same moth is beside the wasp on the she...

John Waters / Ichneumon wasp (probably Pimpla sp.) laying an egg into the pupa of a Bird-cherry ermine moth (Yponomeuta evonymella), using its ovipositor, over a sheet of communal webbing, Bristol, UK, June, 2021.

John Waters / Hoverfly (probably Helophilus trivittatus) on Bramble flower (Rubus fruticosus), Shapwick Heath NNR, Somerset, UK, June, 2021.

John Waters / Two Honeybees (Apis mellifera) on a Common daisy (Bellis perennis) where one appears to be transferring nectar to the other, lawn, urban garden, Bristol, UK, May, 2021.

John Waters / Unfurling 'fiddleheads' of Hart's-tongue Fern (Asplenium scolopendrium), deciduous woodland near Bristol, UK, May, 2021.

John Waters / Low-lying flood plain fields close to the village of Uphill, with a church on the elevated ridge, South of Weston-super-Mare, beside Severn Estuary, Somerset, UK, March, 2021.

John Waters / Dotted bee-fly (Bombylius discolor) visiting a Primrose (Primula vulgaris), urban garden, Bristol, UK, April. Digital Original

John Waters / Dotted bee-fly (Bombylius discolor) visiting a Primrose (Primula vulgaris), urban garden, Bristol, UK, April. Digital Original

John Waters / Communal web of Bird-cherry ermine moth (Yponomeuta evonymella) covering defoliated host tree, Bird Cherry (Prunus padus) while protecting caterpillars and pupae from predators, Bristol, UK, June. Dig...

John Waters / Detail of communal web of Bird-cherry ermine moth (Yponomeuta evonymella) which is covering host tree, Bird cherry (Prunus padus) and protecting caterpillars and pupae from predators, Bristol, UK, Jun...

John Waters / Communal web of Bird-cherry ermine moths (Yponomeuta evonymella) covering its host tree, Bird cherry (Prunus padus) and protecting caterpillars and pupae from predatrs, Bristol, UK, June. Digital Orig...

John Waters / Common whitlowgrass (Erophila verna) in flower, growing on old lead-mining area of Mendips, near Priddy, Somerset, UK, March. Digital Original

John Waters / Coastal path with a gate through a wall, near Swanage, Jurassic Coast, Dorset, UK, April. Digital Original

Robin Chittenden / Grass snake (Natrix natrix) swimming through reeds, Norwich UK, May.

Robin Chittenden / Little gull (Larus minutus) flying, Thorpe Marshes Norwich UK, April.

Robin Chittenden / Three juvenile Tawny owl (Strix aluco) perched on a branch, Norwich UK, April.