Species Found in our area
The three most common species, very dependent on buildings,
Common pipistrelle (Pipistrellus pipistrellus)
Soprano pipistrelle (Pipistrellus pygmaeus)
Brown long-eared bat (Plecotus auritus)
Known only from a small number of bat detector records, the
Nathusius pipistrelle (Pipistrellus nathusii) and
Leisler’s (Nyctalus leisleri) may have been overlooked.
Noctule (Nyctalus noctula) - our largest bat, it mainly roosts in tree-holes
Serotine (Eptesicus serotinus) - quite common in Southern England but poorly known in Wales. One roost recently discovered in North Wales.
Barbastelle (Barbastella barbastellus) - a very rare tree-roosting bat. It has been recorded in North-West Wales, but no roosts have yet been found.
The members of this closely related group may be more numerous in Wales than in much of Britain.
Natterer's bat (Myotis nattereri)
Whiskered bat (Myotis mystacinus)
Brandt's bat (Myotis brandtii)
Daubenton's bat (Myotis daubentonii) - maybe less dependent on buildings than others.
Greater horseshoe (Rhinolophus ferrumequinum) - very rare with only a few individuals recorded in North Wales.
Lesser horseshoe (Rhinolophus hipposideros) - A rare species that has its stronghold in Wales and has core populations in North-West Wales.
Gwynedd Bat Group is a Registered Charity No. 1074706