Enw gwyddonol: Pipistrellus pipistrellus
The common pipistrelle is so small, it can fit into a matchbox! Despite its size, it can easily eat 3,000 insects a night - look for it flitting around the garden or a lit lamp post as it chases its prey.
Average lifespan: 4-5 years
Protected in the UK under the Wildlife and Countryside Act, 1981. European Protected Species under Annex IV of the European Habitats Directive.