Bernard Castelein / Cranefly (Ctenophora ornata) on leaf blade, Brasschaat, Belgium, May.

Bernard Castelein / Nursery web spider (Pisaura mirabilis), with web full of spiderlings, Brasschaat, Belgium, July.

Bernard Castelein / Nursery web spider (Pisaura mirabilis), with web full of spiderlings, Brasschaat, Belgium, July.

Bernard Castelein / Cuckoo flower (Cardamine pratensis), covered with late frost, Klein Schietveld, Brasschaat, Belgium, May.

Bernard Castelein / Southern marsh orchid (Dactylorhiza praetermissa) flowers, Groot Schietveld, Wuustwezel, Belgium, June.

Bernard Castelein / Landscape of fen and clouds, Klein Schietveld, Brasschaat, Belgium, May 2021.

Bernard Castelein / Blood-vein moth (Timandra griseata) resting on grass blade, Klein Schietveld, Brasschaat, Belgium, June.

Bernard Castelein / Roe deer (Capreolus capreolus) feeding in field with flowering Poppies (Papaver rhoeas) and Cornflower (Centaurea cyanus), De Inslag, Brasschaat, Belgium, June.

Bernard Castelein / Grey heron ( Ardea cinerea) perched on a tree branch, Peerdsbos, Brasschaat, Belgium, April.

Bernard Castelein / Black woodpecker (Dryocopus martius) pecking at tree trunk, Peerdsbos, Brasschaat, Belgium, April.

Bernard Castelein / Wood anemone (Anemone nemorosa) flowers, Peerdsbos, Brasschaat, Belgium, April.

Bernard Castelein / Common stretch spider (Tetragnatha extensa) resting on web, Peerdsbos, Brasschaat, Belgium, June.

Bernard Castelein / Adult male Great spotted woodpecker (Dendrocopops major) feeding a juvenile, Brasschaat, Belgium, June.

Bernard Castelein / Adult male Great spotted woodpecker (Dendrocopos major) at water drinking, Brasschaat, Belgium, June.

Bernard Castelein / Adult male Greenfinch (Carduelis chloris) feeding a begging chick, Brasschaat Belgium, July.

Bernard Castelein / Female Greenfinch (Carduelis chloris) drinking, Brasschaat Belgium, July.

Bernard Castelein / Male Greenfinch (Carduelis chloris) perched on branch, Brasschaat Belgium, July.

Bernard Castelein / Female Blackbird (Turdus merula) collecting nesting material, Brasschaat, Belgium, May.

Bernard Castelein / Song Trush (Turdus philomelos) collecting nesting material, Brasschaat, Belgium, May.

Bernard Castelein / Caterpillar of European Gypsy moth ( Lymantria dispar) on pine branch, Brasschaat, Belgium, July.

Bernard Castelein / Large red damselfly (Pyrrhosoma nymphula) mating and female laying eggs in vegetation, under the waterline, Brasschaat, Belgium, June.

Bernard Castelein / Golden-tabbed robberfly (Eutolmus rufibarbis) resting on dead flowers, Brasschaat, Belgium, June.

Bernard Castelein / Golden-tabbed robberfly (Eutolmus rufibarbis) resting on dead flowers, Brasschaat, Belgium, June.

Oscar Dewhurst / Shelduck (Tadorna tadorna) landing on water. Gloucestershire, England, UK. March

Oscar Dewhurst / Shelduck (Tadorna tadorna) landing on water. Gloucestershire, England, UK. March

Oscar Dewhurst / Tufted duck (Aythya fuligula) male swimming. Gloucestershire, England, UK. March

Oscar Dewhurst / Northern pintail (Anas acuta) pair in flight. Gloucestershire, England, UK. March

Oscar Dewhurst / Eurasian teal (Anas crecca) male flapping its wings. Gloucestershire, England, UK. March

Oscar Dewhurst / Black-headed gull (Chroicocephalus ridibundus) pair courting. Gloucestershire, England, UK. March

Oscar Dewhurst / Rook (Corvus frugilegus) standing on short grass. Gloucestershire, England, UK. March

Oscar Dewhurst / Rook (Corvus frugilegus) standing on short grass. Gloucestershire, England, UK. March

Oscar Dewhurst / Robin (Erithacus rubecula) singing in woodland, backlit. Bristol, England, UK. March

Oscar Dewhurst / Starling (Sturnus vulgaris) murmuration over the Somerset Levels. Somerset, England, UK. January

Oscar Dewhurst / Starling (Sturnus vulgaris) murmuration over the Somerset Levels. Somerset, England, UK. January

Oscar Dewhurst / Starling (Sturnus vulgaris) murmuration over the Somerset Levels. Somerset, England, UK. January

Oscar Dewhurst / Blue tit (Cyanistes caeruleus) perched on reed head. Suffolk, England, UK. September

Oscar Dewhurst / Little egret (Egretta garzetta) wading in water at sunrise. Suffolk, England, UK. September

Oscar Dewhurst / Little egret (Egretta garzetta) in flight. Suffolk, England, UK. September

Oscar Dewhurst / Peregrine falcon (Falco peregrinus) at regular perching site in disused quarry. Somerset, England, UK. August

Oscar Dewhurst / European robin (Erithacus rubecula) perched on branch. London, England, UK. December

Oscar Dewhurst / Red deer (Cervus elaphus) stags sparring in the frost. Richmond Park, London, England, UK. December

Oscar Dewhurst / Red deer (Cervus elaphus) stags sparring in the frost. Richmond Park, London, England, UK. December

Oscar Dewhurst / Mute swan (Cygnus olor) swimming. Richmond Park, London, England, UK. December

Oscar Dewhurst / Mute swan (Cygnus olor) swimming. Richmond Park, London, England, UK. December

Oscar Dewhurst / Mute swan (Cygnus olor) swimming through ice. Richmond Park, London, England, UK. December

Oscar Dewhurst / Eurasian kestrel (Falco tinnunculus) juvenile perched on grass mound. Richmond Park, London, England, UK. June

Oscar Dewhurst / Eurasian kestrel (Falco tinnunculus) spreading out wings in the dust. Richmond Park, London, England, UK. June.

Oscar Dewhurst / Eurasian kestrel (Falco tinnunculus) juveniles perched on grass mound. Richmond Park, London, England, UK. June

Oscar Dewhurst / Eurasian kestrel (Falco tinnunculus) juvenile perched on log. Richmond Park, London, England, UK. June

Oscar Dewhurst / Red deer (Cervus elaphus) hind swimming across lake. Richmond Park, London, England, UK. May

Oscar Dewhurst / Mute swan (Cygnus olor) adult swimming on a misty lake, backlit at sunrise. Richmond Park, London, England, UK. May

Oscar Dewhurst / Reed bunting (Emberiza schoeniclus) male singing from bracken fern. Richmond Park, London, England, UK. May

Oscar Dewhurst / Mute swan (Cygnus olor) cygnets swimming. London, England, UK. May

Oscar Dewhurst / Wild boar (Sus scrofa) piglet feeding. Forest of Dean, Gloucestershire, England, UK. March

Oscar Dewhurst / Wild boar (Sus scrofa) in bracken. Forest of Dean, Gloucestershire, England, UK. March

Oscar Dewhurst / Wild boar (Sus scrofa) sow and domestic dog, looking at each other through fence. Forest of Dean, Gloucestershire, England, UK. March

Oscar Dewhurst / Wild boar (Sus scrofa) sow and domestic dog, looking at each other through fence. Forest of Dean, Gloucestershire, England, UK. March

Oscar Dewhurst / Wild boar (Sus scrofa) piglets resting. Forest of Dean, Gloucestershire, England, UK. March

Oscar Dewhurst / Wild boar (Sus scrofa) piglet. Forest of Dean, Gloucestershire, England, UK. March

Oscar Dewhurst / Wild boar (Sus scrofa) piglet. Forest of Dean, Gloucestershire, England, UK. March

Oscar Dewhurst / Wild boar (Sus scrofa) piglets suckling from sow behind row of houses, Forest of Dean, Gloucestershire, England, UK. March

Oscar Dewhurst / Wild boar (Sus scrofa) piglet. Forest of Dean, Gloucestershire, England, UK. March

Oscar Dewhurst / Wild boar (Sus scrofa) piglet with twigs in mouth. Forest of Dean, Gloucestershire, England, UK. March

Oscar Dewhurst / Wild boar (Sus scrofa) sow with piglets. Forest of Dean, Gloucestershire, England, UK. March

Oscar Dewhurst / Wild boar (Sus scrofa) adult female on grass, near houses in town. Forest of Dean, Gloucestershire, England, UK. March

Oscar Dewhurst / Wild boar (Sus scrofa) piglets play-fighting. Forest of Dean, Gloucestershire, England, UK. March

Oscar Dewhurst / Wild boar (Sus scrofa) adult female feeding in leaf litter. Forest of Dean, Gloucestershire, England, UK. March

Oscar Dewhurst / Wild boar (Sus scrofa) adult female feeding in leaf litter. Forest of Dean, Gloucestershire, England, UK. March

Oscar Dewhurst / Nuthatch (Sitta europaea) feeding on tree trunk. Forest of Dean, Gloucestershire, England, UK. March.

Oscar Dewhurst / Nuthatch (Sitta europaea) looking at hole in tree, potential nest site, Forest of Dean, Gloucestershire, England, UK. March

Oscar Dewhurst / Grey wagtail (Motacilla cinerea) male perched on a low-hanging branch, Forest of Dean, Gloucestershire, England, UK. March

Oscar Dewhurst / Northern pintail (Anas acuta) male swimming. Gloucestershire, England, UK. March

Oscar Dewhurst / Northern pintail (Anas acuta) male displaying in water. Gloucestershire, England, UK. March

Oscar Dewhurst / Northern pintails (Anas acuta) in flight. Gloucestershire, England, UK. March

Colin Varndell / Adult male Badger (Meles meles) foraging in field at dusk. Dorset, UK November

Colin Varndell / Three Wood mice (Apodemus sylvaticus) climbing on a hazel branch at night. Dorset, UK August

Colin Varndell / Polecat (Mustela putorius) hunting along hedgerow. Dorset, UK December

Colin Varndell / Hedgehog (Erinaceus europaeus) juvenile in winter. among fallen leaves, Dorset, UK December

Colin Varndell / Germander speedwell (Veronica chamaedrys) in flower. Dorset, UK May

Pascal Tordeux / Beech forest (Fagus sylvatica) in winter, Saint Gobain forest, Picardy, France, December 2020.

Pascal Tordeux / Large frost covered Elm tree (Ulmus) growing at edge of field along country lane in winter, Villers Le Sec, Picardy, France

Pascal Tordeux / Harvested field with line of large round bales of straw, Faucouzy, Picardy, France, July 2020.

Chris Mattison / Common furrow bee (Lasioglossum calceatum) female resting on leaf, April, Catbrook, Monmouthshire, Wales, UK.

Chris Mattison / Australian flatworm (Australoplana sanguinea) on sphagnum moss (Sphagnum sp.), introduced predatory flatworm found in several parts of UK. Feeds on earthworms and considered a pest of agriculture/hort...

Chris Mattison / Australian flatworm (Australoplana sanguinea) on Sphagnum moss (Spagnum sp.) introduced predatory flatworm found in several parts of UK. Feeds on earthworms and considered a pest of agriculture/hortic...

Chris Mattison / A foliose lichen (Cladonia coniocraea) Catbrook, Monmouthshire, Wales, UK.

Chris Mattison / A crutose lichen (Icmadophila ericetorum) with pink fruiting bodies, Catbrook, Monmouthshire, Wales, UK.

Chris Mattison / Rough-stalked feather-moss (Brachythecium rutabulum) growing on tree trunk. Catbrook, Monmouthshire, Wales, UK.

Chris Mattison / Common tamarisk moss (Thuidium tamariscinum) Catbrook Monmouthshire, Wales, UK.

Chris Mattison / Wall screw-moss (Tortula muralis) on concrete post. Droplets of water on fruiting bodies. Catbrook, Monmouthshire, Wales, UK.

Chris Mattison / Grey dagger moth (Acronicta psi) resting on wood, August, Catbrook, Monmouthshire, Wales, UK.

Chris Mattison / Vapourer moth (Orgyia antiqua) male viewed from above. Females of this species are wingless, Catbrook, Monmouthshire, Wales, UK.

Chris Mattison / Vapourer moth (Orgyia antiqua) male resting on leaf. Females of this species are wingless, Catbrook, Monmouthshire, Wales, UK.

Chris Mattison / Vapourer moth (Orgyia antiqua), newly-emerged wingless female clinging to cocoon, Catbrook, Monmouthshire, Wales, UK.

Chris Mattison / Self-heal (Prunella vulgaris) in garden wildflower meadow, Monmouthshire, Wales, UK

Chris Mattison / Large hoverfly (Sericomyia lappona) covered in pollen, resting on leaf, Cumbria, England, UK.