Ashley Cooper / Snails aestivating on a fence post in the Coto Donana, Andalucia, Spain, June 2011

Michael Durham / Geologist and mining engineer examining a vandalised gate which allow bats access to the spaces where they hibernate and roost in the mine interior while excluding human visitors and other large anima...

Terry Whittaker / 2020VISION / Young Hazel dormouse (Muscardinus avellanarius) in coppiced hazel tree, Kent, UK. Photographed in wild under licence with remote camera (camera trap), September. Did you know? Dormice hibernate to con...

Guy Edwardes / 2020VISION / Red Admiral butterfly (Vanessa atalanta) on Blackthorn blossom, Somerset Levels, England, UK, April. Photographer quote: 'The majority of red admirals migrate to the UK. However, a few, like this one...

Simon Colmer / "Insect Home" in a garden. Created with pallets, bricks, pots, stones, bark and piping. Used by insects such as ladybirds, bees and lacewings and amphibians to hibernate over winter. Sussex, England,...

Simon Colmer / "Insect Home" in a garden. Created with pallets, bricks, pots, stones, bark and piping. Used by insects such as ladybirds, bees and lacewings and amphibians to hibernate over winter. Sussex, England,...

Simon Colmer / "Insect Home" in a garden. Created with pallets, bricks, pots, stones, bark and piping. Used by insects such as ladybirds, bees and lacewings and amphibians to hibernate over winter. Sussex, England,...

Simon Colmer / "Insect Home" in a garden. Created with pallets, bricks, pots, stones, bark and piping. Used by insects such as ladybirds, bees and lacewings and amphibians to hibernate over winter. Sussex, England,...

Stephen Dalton / Green lacewing (Chrysopa sp) on window-frame, preparing to hibernate, UK

Pete Oxford / Common / Tailless tenrec (Tenrec ecaudatus) Daraina, NE MADAGASCAR 2005

Igor Shpilenok / Brown bear {Ursus arctos} mother and cub, fattened-up and ready to hibernate, Kronotsky Zapovednik Reserve, Russia.

Kim Taylor / Common / Smooth Newts (Triturus vulgaris) hibernate under log, Surrey, UK.

Dave Watts / Tasmanian race of Short beaked echidna {Tachyglossus aculeatus}, a monotreme, native to Australia and Tasmania. Echidnas locate their prey by detecting weak electrical fields around the snout, they al...

Nick Upton / Cluster fly (Pollenia sp.) resting between an old sash window and secondary double glazing with several Yellow swarming flies / Chloropid flies (Thaumatomyia notata) gathering to hibernate in the same...

Nigel Cattlin / Large number of garden snails (Cornu aspersum) overwintering in the shelter of plastic flowerpots