Scientific name: Muscardinus avellanarius
The shy hazel dormouse is very hard to spot - not only is it nocturnal, but it is mostly confined to southern England, living at low densities, high-up in the tree canopy. It also hibernates for much of the year.
Average lifespan: 5 years
Protected in the UK under the Wildlife and Countryside Act, 1981. Priority Species under the UK Post-2010 Biodiversity Framework. Listed as a European Protected Species under Annex IV of the European Habitats Directive.