Aka Brown Long-eared Bat
Wingspan to 10 " (25cm) Head and Body 1 3/4 " ( 4.5cm). Weighs 6 to 12 gm.
Very similar in appearance to its close relative the rather larger Grey Long-eared Bat (Plecotus austriacus), a rare species sometimes seen in S. England. Distimguishing between the two long-eared bats species is dufficult .
Hibernates in caves cellars etc from October to end of March
The Brown long-eared bats are second in abundance in the Britain s to Pipistrelles