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

Andy Sands / Dormouse (Muscardinus avellanarius) climbing among berries of Black Byrony. 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

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

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

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

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

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

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

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