The serotine is a medium-sized bat found across Europe and east through the Middle East, Caucasus, Central Asia, and China. It roosts in crevices and hawks insects over wooded farmland.
It has fairly large ears and a broad snout. Its long, silky fur ranges from medium to dark brown, with yellow-golden tips.
It hawks insects in flight over wooded agricultural land. Dung beetles, moths, and chafers are recorded prey, but the mix depends on location.
An extinction-risk assessment has not been added yet.