Dietmar Nill / Tengmalm's Owl (Aegolius funerus) pouncing on mouse, Germany

Dietmar Nill / Golden oriole male {Oriolus oriolus}

Dietmar Nill / Close-up of two European hedgehogs (Erinaceus europaeus) feeding on windfall pears, Mossingen, Baden-Wurttemberg, Germany, October.

Dietmar Nill / European hedgehog (Erinaceus europaeus) in road at night, with approaching car headlights, Mossingen, Baden-Wurttemberg, Germany, October.

Dietmar Nill / Slow motion clip of a male Kestrel (Falco tinnunculus) hovering, Germany, May.

Dietmar Nill / European hornet (Vespa crabro) fanning nest with wings to regulate the temperature, Germany, September.

Dietmar Nill / Murmuration of Common starlings (Sturnus vulgaris) at dusk, Rome, Italy, December.

Dietmar Nill / Slow motion clip of a Greater horseshoe bat (Rhinolophus ferrumequinum) catching a moth in flight, Germany, captive.

Dietmar Nill / Common kingfisher (Alcedo atthis) diving into a river, briefly bathing before taking off again, Germany, April.

Dietmar Nill / Slow motion clip of a pair of Common kingfishers (Alcedo atthis) mating, Germany, April.

Dietmar Nill / Common kingfisher (Alcedo atthis) diving into a river and bathing before taking off again, Germany, April.

Dietmar Nill / Slow motion shot of a Common kingfisher (Alcedo atthis) diving into a pond and emerging with a fish, Germany, December.

Dietmar Nill / Two European hares (Lepus europaeus) boxing in a snow covered field, Germany, March.

Dietmar Nill / Common Kestrel (Falco tinnunculus) female in flight over snow. Germany, January.

Dietmar Nill / European hare (Lepus europaeus) mating pair boxing in field, Slovakia

Dietmar Nill / European hare (Lepus europaeus) pair boxing in field, Slovakia

Dietmar Nill / Golden eagle (Aquila chrysaetos) in flight over snow, Alps, Austria, controlled conditions

Dietmar Nill / Little owl (Athene noctua) pair perched, courtship behaviour, Spain

Dietmar Nill / Goats beard flower / Meadow salsify (Tragopogon pratensis) with poppies in the background, Germany

Dietmar Nill / Hebe tiger moth (Arctia festiva) close up of wings, Germany

Dietmar Nill / Wild boar (Sus scrofa) beside busstop in town, South Germany

Dietmar Nill / Roe deer (Capreolus capreolus) juvenile running, Germany

Dietmar Nill / Roe deer (Capreolus capreolus) juvenile running, Germany

Dietmar Nill / Great Bustard (Otis tarda) chick, Germany, vulnerable species

Dietmar Nill / Great Bustard (otis tarda) two chicks, Germany, vulnerable species

Dietmar Nill / Moorhen (Gallinula chloropus) two fighting, Germany

Dietmar Nill / Great crested grebe (Podicepes cristatus) adult with chick on its back, Germany

Dietmar Nill / Grey heron (Ardea cinerea) with fish being attacked by Gull, Germany, winter

Dietmar Nill / Eurasian beaver (Castor fiber) rear view walking away along a path, Mazury, Poland

Dietmar Nill / Little Owl (Athene noctua) adult on telephone wires, Bulgaria

Dietmar Nill / Moor frogs (Rana arvalis) mating in a pond, Germany (the male is blue)

Dietmar Nill / Two Mute swans (Cygnus olor) taking off from water, Germany

Dietmar Nill / Hohenzollern castle emerging from the mist, Baden-wuerttemberg, Germany

Dietmar Nill / Red Fox (Vulpes vulpes) running through grass, Latvia

Dietmar Nill / Two Grey Herons (Ardea cinerea) on ice, fighting over fish, Germany

Dietmar Nill / Pair of Roe Deer (Capreolus capreolus) looking over their shoulders in long grass. Germany

Dietmar Nill / European hare (Lepus europaeus) in snow, Usedom, Germany

Dietmar Nill / Two European hares (Lepus europaeus) running in spring, Stuttgart, Germany

Dietmar Nill / Long-legged buzzard {Buteo rufinus} adult in flight, Bulgaria.

Dietmar Nill / Male + female Penduline tits {Remiz pendulinus} at nest, Bulgaria.

Dietmar Nill / Herd of Hungarian Grey domestic cattle {Bos taurus} cow and calf, Hungary.

Dietmar Nill / Two Beech / Stone martens {Martes foina} interacting, Germany.

Dietmar Nill / Leisler's bat flying {Nyctalus leisleri} Germany

Dietmar Nill / Common roller courtship, male (on rightt) offers insect to female {Coracias garrulus}

Dietmar Nill / Little owls courtship {Athene noctua} Spain

Dietmar Nill / Viperine snake, two males + one female mating {Natrix maura} Spain

Dietmar Nill / View of Monteverde yropical cloud forest Reserve, Costa Rica

Dietmar Nill / Firefly glowing {Lamprohiza splendidula} Germany