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

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

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...

Markus Varesvuo / Hazel Grouse (Tetrastes bonasia) perched on a thin twig, possibly looking for buds to eat. Kuusamo, Finland, February.

Markus Varesvuo / Hazel Grouse (Tetrastes bonasia) perched on a thin twig, possibly looking for buds to eat. Kuusamo, Finland, February.

Peter Cairns / 2020VISION / Upland woodland containing birch, oak, hazel, Inverpolly, Sutherland, Highlands, Scotland, UK, January 2011

Colin Varndell / Freshly opened Hazel (Corylus avellana) foliage in spring, Backlit with morning sunlight, Dorset, UK, May

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

Niall Benvie / Stream running through natural old Hazel (Corylus avellana) woodland, near Golspie, Sutherland, Scotland, UK, May 2009

Colin Varndell / Hazel catkins (Corylus avellana) releasing pollen. Dorset, England, UK February

Ross Hoddinott / Close-up of Hazel inflorescence (Corylus avellana) in spring, with both male catkins and female flower visible, near Bradworthy, Devon, UK. March 09.

Ross Hoddinott / Blue tit {Parus caeruleus} with hazel catkins, Cornwall. UK

Kim Taylor / Hazel {Corylus avellana} leaf, in late summer, UK.

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

Artur Tabor / Forest Dormouse on hazel tree branch, Poland

Martin H Smith / Red squirrel feeding on hazel nut {Sciurus vulgaris} Norfolk, UK

Roger Powell / Red Squirrel (Sciurus vulgaris) feeding on hazel nut in mossy tree stump. Lee Burn, Longframlington, Northumberland, UK, November.

Roger Powell / Red Squirrel (Sciurus vulgaris) feeding on hazel nut on stump. Lee Burn, Longframlington, Northumberland, UK, November.

Paul Hobson / Scalloped hazel moth (Odontopera bidentata) camouflaged on tree bark, Sheffield UK

Adrian Davies / Male Hazel (Corylus avellana) catkins shedding pollen onto female flower, March.

Markus Varesvuo / Hazel Grouse (Tetrastes bonasia) in snow laden tree, Kuusamo Finland February

David Woodfall / Hazel (Corylus avellana) leaves in spring, Gilfach Nature Reserve, Radnorshire Wildlife Trust, Powys, Wales, UK

Andy Sands / Comma butterfly (Polygonia c-album) at rest with wings closed on Hazel leaf showing comma shaped pheromone gland, Hertfordshire, UK, September

Terry Whittaker / 2020VISION / Orphan Serotine Bat (Eptesicus serotinus) hand raised by Hazel Ryan of the Kent Bat Group. Now an adult unfit for release. Kent, UK. Model released.

Terry Whittaker / 2020VISION / Orphan Serotine Bat (Eptesicus serotinus) hand raised by Hazel Ryan of the Kent Bat Group. Now an adult unfit for release. Kent, UK, June.

Terry Whittaker / 2020VISION / Orphan Serotine Bat (Eptesicus serotinus) hand raised by Hazel Ryan of the Kent Bat Group. Now an adult unfit for release. Kent, UK, June.

Terry Whittaker / 2020VISION / Orphan Serotine Bat (Eptesicus serotinus) hand raised by Hazel Ryan of the Kent Bat Group. Now an adult unfit for release. Kent, UK, June.

Terry Whittaker / 2020VISION / Nathusius' Pipistrelle (Pipistrellus nathusii). Orphan hand-raised by Kent Bat Group member Hazel Ryan. Kent, UK, June. Model released.

Philippe Clement / Hazel grouse (Tetrastes bonasia) eating male catkins from Common hazel (Corylus avellana) in the snow in early spring, captive, Bavarian Forest National Park, Germany, March

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

Guy Edwardes / 2020VISION / New growth Hazel leaf (Corylus avellana) with dead one still attached to twig, New Forest, Hampshire, England, UK.

Guy Edwardes / 2020VISION / Mass of Hazel Catkins (Corylus avellana). New Forest National Park, Hampshire, England, UK, March.

Michel Poinsignon / Bullfinch (Pyrrhula pyrrhula) male perched on hazel branch during winter snowfall, Lorraine, France, January.

Ross Hoddinott / Hazel catkins (Corylus avellana) backlit, close up, Broxwater, Cornwall, UK, February.

Ross Hoddinott / Hazel catkins (Corylus avellana) backlit, Tamar Lake, Cornwall, UK, March.

Ernie Janes / Greenfinch (Carduelis chloris) in flight near Hazel catkins, UK January

MYN / Niall Benvie / Hazel dormouse (Muscardinus avellanarius) climbing on Hazel (Corylus avellana) sapling, Scotland, UK, June meetyourneighbours.net project

Laurie Campbell / Hazel (Corylus avellana) leaves in summer, Knapdale, Argyll, Scotland, August

Laurie Campbell / Hazel (Corylus avellana) catkins Pease Dean Scottish Wildlife Trust Nature Reserve, Berwickshire, Scotland, March

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

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

Colin Varndell / Hazel leaves (Corylus avellana) opening in spring, Dorset, UK, March

Mark Hamblin / 2020VISION / Red squirrel (Sciurus vulgaris) beside woodland pool, feeding on hazel nut, Scotland, UK, November

Mark Hamblin / 2020VISION / Red squirrel (Sciurus vulgaris) beside woodland pool, feeding on hazel nut, Scotland, UK, November

Terry Whittaker / 2020VISION / Hazel dormouse (Muscardinus avellanarius) habitat showing connected woodland, hedgerows and gardens, Kent, UK, October 2011, site of monthly Dormouse survey by Kent Mammal Group.

Terry Whittaker / 2020VISION / Hazel dormouse (Muscardinus avellanarius), Kent, UK. Members of Kent Mammal Group conduct monthly dormouse survey. Hazel Ryan checking nest tube which has ben used to store food by various species inc...

Terry Whittaker / 2020VISION / Hazel dormouse (Muscardinus avellanarius), Kent, UK. Members of Kent Mammal Group conduct monthly dormouse survey in coppiced woodland. Hazel Ryan checking nest tube which has been used to store food...

Terry Whittaker / 2020VISION / Hazel dormouse (Muscardinus avellanarius), Kent, UK. Members of Kent Mammal Group conduct monthly dormouse surveyin coppiced woodland, Brett Lewis and Katherine Leggat conduct the last survey of the s...

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 / Road through Hazel dormouse (Muscardinus avellanarius) habitat shows connected canopy allowing dormice to move around without coming down to the ground, Kent, UK, October 2011

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 / Road through Hazel dormouse (Muscardinus avellanarius) habitat shows connected canopy allowing dormice to move around without coming down to the ground, Kent, UK, October 2011

Terry Whittaker / 2020VISION / Hazel dormouse (Muscardinus avellanarius), Kent, UK. Members of Kent Mammal Group conduct monthly dormouse survey. Brett Lewis and Lesley Mason check a nest box, October 2011, Model released.

Terry Whittaker / 2020VISION / Hazel dormouse (Muscardinus avellanarius), Kent, UK. Members of Kent Mammal Group conduct monthly dormouse survey. Hazel Ryan talking to woodmen in chestnut coppice about dormice. One takes photo with...

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), Kent, UK. Members of Kent Mammal Group conduct monthly dormouse survey. Hazel Ryan talking to woodmen in chestnut coppice about dormice, October 2011

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), Kent, UK. Members of Kent Mammal Group conduct monthly dormouse survey. Hazel Ryan talking to woodmen in chestnut coppice about dormice, October 2011

Terry Whittaker / 2020VISION / Road through Hazel dormouse (Muscardinus avellanarius) habitat shows connected canopy allowing dormice to move around without coming down to the ground, Kent, UK, October 2011

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), Kent, UK. Members of Kent Mammal Group conduct monthly dormouse surveyin coppiced woodland, Brett Lewis and Katherine Leggat conduct the last survey of the s...

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), 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), 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), Kent, UK. Members of Kent Mammal Group conduct monthly dormouse survey. Brett Lewis, Katherine Leggat and Lesley Mason check a nest box, October 2011 Model r...

Terry Whittaker / 2020VISION / Hazel dormouse (Muscardinus avellanarius), Kent, UK. Members of Kent Mammal Group conduct monthly dormouse survey in coppiced woodland, Brett Lewis and Katherine Leggat conduct the last survey of the...

Terry Whittaker / 2020VISION / Hazel dormouse (Muscardinus avellanarius), Kent, UK. Members of Kent Mammal Group conduct monthly dormouse survey. Brett Lewis and Lesley Mason weigh a dormouse, October 2011, Model released.

Terry Whittaker / 2020VISION / Hazel dormouse (Muscardinus avellanarius) habitat showing connected woodland, hedgerows and gardens, Kent, UK, October 2011, site of monthly Dormouse survey by Kent Mammal Group.

Terry Whittaker / 2020VISION / Hazel dormouse (Muscardinus avellanarius), Kent, UK. Members of Kent Mammal Group conduct monthly dormouse survey. Hazel Ryan cuts ID marking into dormouse fur. Marking catalogue. September 2011, Mode...

Terry Whittaker / 2020VISION / Hazel dormouse (Muscardinus avellanarius), Kent, UK. Members of Kent Mammal Group conduct monthly dormouse survey. John Puckett and Hazel Ryan weigh, sex and ID mark Dormice in coppiced woodland, Augu...

Terry Whittaker / 2020VISION / Hazel dormouse (Muscardinus avellanarius), Kent, UK. Members of Kent Mammal Group conduct monthly dormouse surveyin coppiced woodland, Brett Lewis and Katherine Leggat conduct the last survey of the s...

Terry Whittaker / 2020VISION / Hazel dormouse (Muscardinus avellanarius), Kent, UK. Members of Kent Mammal Group conduct monthly dormouse survey, John Puckett and Hazel Ryan in coppiced woodland, August 2011. Model released.

Terry Whittaker / 2020VISION / Hazel dormouse (Muscardinus avellanarius), Kent, UK. Members of Kent Mammal Group conduct monthly dormouse survey. Hazel Ryan checking nest tube which has ben used to store food by various species inc...

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

Terry Whittaker / 2020VISION / Hazel dormouse (Muscardinus avellanarius), Kent, UK. Members of Kent Mammal Group conduct monthly dormouse survey, Hazel Ryan checks dormouse nest box in coppiced woodland, November 2011. Model releas...

Terry Whittaker / 2020VISION / Hazel dormouse (Muscardinus avellanarius), Kent, UK. Members of Kent Mammal Group conduct monthly dormouse survey, Hazel Ryan checks dormouse nest box in coppiced woodland, November 2011. Model releas...

Terry Whittaker / 2020VISION / Hazel dormouse (Muscardinus avellanarius), Kent, UK. Members of Kent Mammal Group conduct monthly survey. Hazel Ryan checks dormouse nest box in coppiced woodland, June 2011. Model released.

Terry Whittaker / 2020VISION / Hazel dormouse (Muscardinus avellanarius) on 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), Kent, UK. Members of Kent Mammal Group conduct monthly dormouse survey. Dormice being held in plastic bags during processing, September 2011, Model released.

Terry Whittaker / 2020VISION / Hazel dormouse (Muscardinus avellanarius), Kent, UK. Members of Kent Mammal Group conduct monthly dormouse survey, August 2011, Model released.

Terry Whittaker / 2020VISION / Hazel dormouse (Muscardinus avellanarius), Kent, UK. Members of Kent Mammal Group conduct monthly dormouse survey in coppiced woodland, weighing dormouse in plastic bag, July 2011, Model released.

Terry Whittaker / 2020VISION / Hazel dormouse (Muscardinus avellanarius), Kent, UK. Members of Kent Mammal Group conduct monthly dormouse survey, checking tail, August 2011. Model released.

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

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

Terry Whittaker / 2020VISION / Hazel dormouse (Muscardinus avellanarius), Kent, UK. Members of Kent Mammal Group conduct monthly dormouse survey. Hazel Ryan with litter of young dormice, August 2011, Model released.

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

Terry Whittaker / 2020VISION / Hazel dormouse (Muscardinus avellanarius), Kent, UK. Members of Kent Mammal Group conduct monthly dormouse survey. Hazel Ryan checking nest tube which has been used to store food by various species in...

Terry Whittaker / 2020VISION / Hazel dormouse (Muscardinus avellanarius), Kent, UK. Members of Kent Mammal Group conduct monthly dormouse survey. Young dormouse in plastic bag for weighing, August 2011, model released.

Terry Whittaker / 2020VISION / Hazel dormouse (Muscardinus avellanarius), Kent, UK. Members of Kent Mammal Group conduct monthly dormouse survey. Hazel Ryan holding torpid dormouse, October 2011. Model released.

Terry Whittaker / 2020VISION / Hazel Ryan, member of the Kent Mammal Group with a Yellow-necked mouse (Apodemus flavicollis) found in Hazel dormouse nestbox, September 2011, Kent, UK, Model released.

Terry Whittaker / 2020VISION / Hazel dormouse (Muscardinus avellanarius), Kent, UK. Members of Kent Mammal Group conduct monthly dormouse survey. Adult and juvenile in bag, August 2011, model released.

Terry Whittaker / 2020VISION / Hazel dormouse (Muscardinus avellanarius), Kent, UK. Members of Kent Mammal Group conduct monthly dormouse survey. Hazel Ryan sexing a male dormouse, September 2011, Model released.

Terry Whittaker / 2020VISION / Hazel dormouse (Muscardinus avellanarius), Kent, UK. Members of Kent Mammal Group conduct monthly dormouse survey. Hazel Ryan cuts ID markings into dormouse fur. September 2011, Model released.