The Noctule is one of the largest British species and is usually the first bat to appear in the evening, sometimes even before sunset. Noctules have broad, brown ears and a distinctive mushroom shaped tragus. They often fly high up to feed over open pasture, woodland edges, marshlands, rivers and lakes.
Head & body length:
Average colony size:
Adults are golden or reddish-brown, juveniles and some females a dull chocolate brown.
A common mammal
tree-holes and on rare occasions buildings
moths, beetles, mayflies and winged ants
peak at 25kHz