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

Michel Poinsignon / Two tawny owl (Strix aluco) chicks emerging from nest in tree, Luxembourg. May.

Sven Zacek / Tawny owl (Strix aluco) peering out of its nest hole in tree, Southern Estonia, February.

John Waters / Tawny Owl (Strix aluco) adult female hiding behind tree trunk, trained bird, Somerset, UK, January

Dale Sutton / 2020VISION / Tawny owl (Strix aluco) flying with Dormouse prey (Muscardinus avellanairus) to nest, Sussex, UK, April

Andy Rouse / Tawny owl (Strix aluco) in woodland, UK, controlled conditions, Captive

Andy Rouse / Tawny Owl (Strix aluco) perched in evening light. Controlled conditions. UK, Europe, May.

David Woodfall / Tawny owl (Strix aluco) roosting in hotel chimney. Romania, October 2010

Jane Burton / Tawny Owl chick (Strix aluco) stretching its wings.

TJ Rich / Tawny Owl juvenile portrait on tree stump {Strix aluco} Wiltshire, UK. Captive.

David Tipling / Tawny owl (Strix aluco) hunting at night, North Norfolk, England, UK. February.

Andy Rouse / Tawny owl (Strix aluco) sitting, reflected in pool. UK. June.

Andy Rouse / Tawny owl (Strix aluco) feeding, reflected in a pond, UK, July.

Andy Rouse / Tawny owl (Strix aluco) looking around, reflected in a pond, showing articultion of its neck, UK, July.

Sven Zacek / Tawny owl (Strix aluco) roadkill. Tartumaa, Southern Estonia. November 2016.

Pal Hermansen / Tawny owl (Strix aluco) sleeping on windowsill having fallen down chimney. Norway. April 2018.

Pal Hermansen / Tawny owl (Strix aluco), portrait in daylight. Akershus, Norway. April.

Bruno D'Amicis / Tawny owl (Strix aluco) female sleeping in afternoon light on old-growth Beech (Fagus sylvatica) forest tree, UNESCO World Heritage Site. Abruzzo, Lazio and Molise National Park, Italy. June 2013

Bruno D'Amicis / Tawny owl (Strix aluco) chick waiting for food on old-growth Beech (Fagus sylvatica) forest tree. UNESCO World Heritage Site. Abruzzo, Lazio and Molise National Park, Italy. June 2013

Bruno D'Amicis / Tawny owl (Strix aluco) photographed under moonlight on old-growth Beech (Fagus sylvatica) forest tree, UNESCO World Heritage Site. Abruzzo, Lazio and Molise National Park, Italy. October 2013

Konrad Wothe / Tawny owl (Strix aluco) juvenile perched, Bavaria, Germany, Europe

Markus Varesvuo / Tawny owl (Strix aluco) perched in spruce Helsinki, Finland, December

David Kjaer / Tawny owl (Strix aluco) portrait, peering through branches, captive

David Kjaer / Tawny owl (Strix aluco) portrait, peering through branches, captive

Guy Edwardes / Tawny owl (Strix aluco) perched on branch, UK. Captive.

Guy Edwardes / Tawny owl (Strix aluco) perched on branch, UK. Captive.

Andres M. Dominguez / Tawny owl (Strix aluco) sleeping, Cadiz, Andalusia, Spain, February.

Andy Trowbridge / Tawny Owl (Strix aluco) perched on branch with prey, at night. Norway, February.

Dave Bevan / Juvenile Tawny owl (Strix aluco) perched on a branch in wind, Norfolk, England, UK, May.

SCOTLAND: The Big Picture / Juvenile Tawny owl (Strix aluco) in a Silver birch tree (Betula pendula), Cairngorms National Park, Scotland, UK, May.

Ann & Steve Toon / Injecting microchip into juvenile tawny owl (Strix aluco) prior to release into wild, Secret World animal sanctuary, Somerset, UK, June.

Ann & Steve Toon / Scanning newly inserted microchip in juvenile tawny owl (Strix aluco) prior to release into wild, Secret World animal sanctuary, Somerset, UK, June.

Ann & Steve Toon / Tawny owl (Strix aluco), adult and juvenile perched on fence post, UK, June, captive.

Andy Sands / Tawny Owl (Strix aluco) Chick branching away from nest, Hertfordshire, England, UK, April

Laurent Geslin / Tawny owl (Strix aluco) stretching wings, camera trap image, Jura Mountains, Switzerland, July.

Laurent Geslin / Tawny owl (Strix aluco) at pool, camera trap image, Jura Mountains, Switzerland, July.

Laurent Geslin / Tawny owl (Strix aluco) bathing at pool, camera trap image, Jura Mountains, Switzerland, July.

Laurent Geslin / Tawny owl (Strix aluco) bathing at pool, camera trap image, Jura Mountains, Switzerland, July.

Laurent Geslin / Tawny owl (Strix aluco) stretching wings at pool, camera trap image, Jura Mountains, Switzerland, July.

Melvin Grey / Tawny owl (Strix aluco) adult leaving nest hole after feeding young. Surrey, England. UK

Juergen & Christine Sohns / Tawny Owl (Strix aluco) in winter, Zdarske Vrchy, Bohemian-Moravian Highlands, Czech Republic

Juergen & Christine Sohns / Tawny Owl (Strix aluco) in winter, Zdarske Vrchy, Bohemian-Moravian Highlands, Czech Republic

Juergen & Christine Sohns / Tawny Owl (Strix aluco) in winter, Zdarske Vrchy, Bohemian-Moravian Highlands, Czech Republic

Juergen & Christine Sohns / Tawny Owl (Strix aluco) in winter, Zdarske Vrchy, Bohemian-Moravian Highlands, Czech Republic

Eric Medard / Tawny owl (Strix aluco) perched, taken with infrared camera at night, France, August,

Andres M. Dominguez / Tawny owl (Strix aluco) juvenile, Prado del rey, Cadiz, Spain, April.

Graham Eaton / Tawny Owl (Strix aluco) sitting on branch of tree. Cheshire, England, UK. September.

Graham Eaton / Tawny Owl (Strix aluco) sitting on branch of tree. Cheshire, England, UK. September.

Graham Eaton / Tawny Owl (Strix aluco) sitting on branch of tree. Cheshire, England, UK. September.

Dong Lei / Tawny owl (Strix aluco) Jiuzhaigou National Nature Reserve, Sichuan Province, China, China, August.

Solvin Zankl / Tawny owl (Strix aluco) perched in oak tree, Nymphenburg, Germany, October.

Solvin Zankl / Tawny owl (Strix aluco) in oak tree, Nymphenburg, Germany, October.

Ben Hall / Tawny owl (Strix aluco) young sitting in tree, Czech Republic, November. Captive.

Ben Hall / Tawny owl (Strix aluco) young sitting in tree amongst autumn leaves, Czech Republic, November. Captive.

Ben Hall / Tawny owl (Strix aluco) young sitting in tree amongst autumn leaves, Czech Republic, November. Captive.

Ben Hall / Tawny owl (Strix aluco) flying through forest, Czech Republic, November. Captive.

Ben Hall / Tawny owl (Strix aluco) flying through forest in evening light, Czech Republic, February. Captive.

Ben Hall / Tawny owl (Strix aluco) young in tree amongst autumn leaves, Czech Republic, November. Captive.

Ann & Steve Toon / Tawny owl (Strix aluco) perched barn door, UK, June. Captive.

Ann & Steve Toon / Tawny owl (Strix aluco) by barn door, UK, June. Captive.

Colin Varndell / Tawny owl (Strix aluco) wild adult, Dorset, UK, August.

Paul Hobson / Tawny owl (Strix aluco) in flight, Yorkshire, UK. Captive.

Michel Poinsignon / Tawny owl (Strix aluco) chick perched in tree, Luxembourg. May.

Robin Chittenden / Tawny owl (Strix aluco) perched on log, Spaldington, Yorkshire, UK, July.

Eric Medard / Tawny owl (Strix aluco) taken at night with infra-red remote camera trap, Mayenne, France, August.

Eric Medard / Tawny owl (Strix aluco) taken at night with infra-red remote camera trap, Mayenne, France, September.

Andy Rouse / Tawny Owl (Strix aluco) on snowy branch, UK, January. Captive

Andy Rouse / Tawny Owl (Strix aluco) on snowy branch, UK, January. Captive

Andy Rouse / Tawny Owl (Strix aluco) flying over snow, UK, January. Captive

Jane Burton / Tawny owl (Strix aluco) with three chicks, against white background

Dong Lei / Tawny owl (Strix aluco) taking off, Jiuzhaigo National Nature Reserve, Sichuan Province, CHina, August.

Eric Medard / Tawny owl (Strix aluco) on post, taken at night with infra-red remote camera trap, France, April.

John Waters / Tawny Owl (Strix aluco) adult female flying in snowy woodland, trained bird, Somerset, UK, January

John Waters / Tawny Owl (Strix aluco) adult female flying in snowy woodland, trained bird, Somerset, UK, January

John Waters / Tawny Owl (Strix aluco) adult female flying in snowy woodland, trained bird, Somerset, UK, January

John Waters / Tawny Owl (Strix aluco) adult female, taking off from branch in snowy woodland, trained bird, Somerset, UK, January

John Waters / Tawny Owl (Strix aluco) adult female perched in snowy tree stump, trained bird, Somerset, UK, January

John Waters / Tawny Owl (Strix aluco) adult female perched in snowy tree, trained bird, Somerset, UK, January

John Waters / Tawny Owl (Strix aluco) adult female perched in snowy tree, trained bird, Somerset, UK, January

John Waters / Tawny Owl (Strix aluco) adult female hiding behind tree trunk, trained bird, Somerset, UK, January

John Waters / Tawny Owl (Strix aluco) adult female perched in tree, trained bird, Somerset, UK, January

Colin Varndell / Tawny owl (Strix aluco) perching on post after dark, Dorset, UK August

Ann & Steve Toon / Tawny owl (Strix aluco) camouflaged on tree, UK captive

Colin Varndell / Adult Tawny Owl (Strix aluco) perching on dead branch at night. Dorset, UK, August.

David Kjaer / Tawny Owl (Strix aluco) in flight. Captive. Hawk Conservancy Trust, Andover, UK.

Colin Varndell / Adult tawny owl perching on dead tree. Dorset, UK August 2012

Colin Varndell / Tawny owl (Strix aluco) perched on dead branch at night, Dorset, UK August

Eric Medard / Tawny Owl (Strix aluco) bringing prey to nest with young chicks inside, in old building, France, June

Eric Medard / Tawny Owl (Strix aluco) in a tree, France, April

Eric Medard / Tawny Owl (Strix aluco) sitting in tree in daytime, France, April

Eric Medard / Tawny Owl (Strix aluco) in a tree during day, France, April

Eric Medard / Tawny Owl (Strix aluco) young chick sitting in tree, France, April

Eric Medard / Tawny Owl (Strix aluco) resting in tree during day, France, April

Eric Medard / Tawny Owl (Strix aluco) bringing prey to nest with young chicks inside, in old building, France, June

Eric Medard / Tawny Owl (Strix aluco) entering nest in old rock wall, with chicks inside, France, May