Danny Green / Hazel Dormouse (Muscardinus avellanarius) hibernating amongst leaves and acorns. Captive. Leicestershire, UK, October.

Klein & Hubert / Fat / Edible dormouse (Glis glis) on branch of flowering apple tree in spring, France. Controlled conditions

Kerstin Hinze / Juvenile Forest dormouse (Dryomys nitedula) on a Rowan ash (Sorbus aucuparia) branch, with berries, Captive, occurs in Eastern Europe and Western Asia.

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

Terry Whittaker / 2020VISION / Hazel dormouse (Muscardinus avellanarius), Chestnut coppice and Bluebells (Hyacinthoides non-scripta). Careful chestnut and hazel coppicing benefits dormice. Kent, UK, April 2011

Terry Whittaker / 2020VISION / Hazel dormouse (Muscardinus avellanarius) running up branch in coppiced hazel tree, Kent, UK. Photographed in wild under licence with remote camera (camera trap), October

Terry Whittaker / 2020VISION / Hazel dormouse (Muscardinus avellanarius) in coppiced hazel tree, Kent, UK. Photographed in wild under licence with remote camera (camera trap), September. 2020VISION Book Plate.

Terry Whittaker / 2020VISION / Hazel dormouse (Muscardinus avellanarius), Kent, UK. Members of Kent Mammal Group conduct monthly dormouse survey, torpid dormouse hibernating in nest box in coppiced woodland, November 2011. Did you...

Kerstin Hinze / Hazel dormouse (Muscardinus avellanarius) climbing on rose hips, Schleswig-Holstein, Germany,

David Kjaer / Common Dormouse (Muscardinus avellanarius) sleeping on leaves. Bentley Wood, Wiltshire, May.

Kerstin Hinze / Fat / Edible dormouse (Glis glis) Lower Saxony, Germany, captive

Andy Sands / Dormouse (Muscardinus avellanarius) climbing among berries of Black Byrony. Captive. UK, September.

Andy Sands / Dormouse (Muscardinus avellanarius) asleep in old Blackcap nest. Captive. UK, September.

Ann & Steve Toon / Common dormouse (Muscardinus avellanarius)torpid, in captive breeding programme, UK

Colin Varndell / Hazel Dormouse (Muscardinus avellanarius) hibernating, Dorset, UK

Wild Wonders of Europe / Nill / Forest dormouse (Dryomys nitedula) feeding, Muselievo, Nigopol, Bulgaria, June 2008

Wild Wonders of Europe / Nill / Forest dormouse (Dryomys nitedula) feeding on Mulberries, Bulgaria, June 2008. BOOK & WWE OUTDOOR EXHIBITION. Wild Wonders kids book.

Stephen Dalton / Dormouse {Muscardinus avellanarius} on Bryony berries, UK

Stephen Dalton / Dormouse {Muscardinus avellanarius} jumping from rose branch, UK

Stephen Dalton / Dormouse {Muscardinus avellanarius} jumping from rose branch, UK

Kim Taylor / Common dormouse (Muscardinus avellanarius) hibernating in nest. Captive, UK

Rolf Nussbaumer / Fat dormouse in bird nestbox {Glis glis} Switzerland.

Ingo Arndt / Fat dormouse in flowering tree {Glis glis} Germany

Klaus Echle / Garden dormice babies sleeping in nest {Eliomys quercinus} Germany. Hand raised

Klaus Echle / Garden dormouse female peeps out of nest hole {Eliomys quercinus} Germany hand raised

Ingo Arndt / Fat dormouse in oak tree {Glis glis} Germany

Jean E. Roche / Fat dormouse teeth {Glis glis} France

George McCarthy / Hibernating dormouse {Muscardinus avellanarius} curled up asleep in nest, Sussex, UK

Bengt Lundberg / Dormouse (Muscardinus avellanarius) in autumn. Sweden September.

Colin Seddon / Dormouse. UK. Captive animal

Artur Tabor / Forest Dormouse on hazel tree branch, Poland

Artur Tabor / Forest dormouse feeding on pine tree at night. Bialowieski National Park, Poland

Andrew Cooper / Dormouse hibernating, England

Colin Varndell / Dormouse (Muscardinus avellanarius) climbing in wild cherry tree. Dorset, UK July.

Bruno D'Amicis / Hazel dormouse (Muscardinus avellanarius) sitting on branch in forest undergrowth. Abruzzo, Central Apennines, Italy. September.

David Tipling / Hazel dormouse (Muscardinus avellanarius) held in hand during weighing, part of dormouse box checks to monitor dormouse populations. Kent. October.

Klein & Hubert / Fat / Edible dormouse (Glis glis) on a mossy branch in flowering quince tree in spring, France. Controlled conditions

Klein & Hubert / Fat / Edible dormouse (Glis glis) on a mossy branch in flowering quince tree in spring, France. Controlled conditions

Klein & Hubert / Fat / Edible dormouse (Glis glis) on a mossy branch in flowering quince tree in spring, France. Controlled conditions

Klein & Hubert / Fat / Edible dormouse (Glis glis) in its nest in hollow trunk, France. Controlled conditions

Klein & Hubert / Fat / Edible dormouse (Glis glis) in an hollow stump with flowering quince in spring, France. Controlled conditions

Klein & Hubert / Fat / Edible dormouse (Glis glis) using an old shoe as shelter in a cellar, France. Controlled conditions

Klein & Hubert / Fat / Edible dormouse (Glis glis) on branch of flowering apple tree in spring, France. Controlled conditions

Klein & Hubert / Fat / Edible dormouse (Glis glis) on branch of flowering apple tree in spring, France. Controlled conditions

Klein & Hubert / Fat / Edible dormouse (Glis glis) on branch of flowering apple tree in spring, France. Controlled conditions

Lorraine Bennery / Western tuft-tailed rat (Eliurus myoxinus) Kirindy forest Private Reserve, Madagascar.

Luis Quinta / Garden dormouse (Eliomys quercinus) at night, Portugal.

Luis Quinta / Garden dormouse (Eliomys quercinus) at night, Portugal.