157699 Brandt’s Bat Myotis brandtii Wingspan 21-25cm Small, poorly studied bat. Similar to Whiskered Bat. Adult has long, fluffy fur, yellowish brown above and greyish below. Ears are dark brown, shorter than those of Whiskered. Wings are dark brown and rather narrow. Utters twittering squeaks when alarmed. Echolocates in 40-80khz range. Favours open woodland. Full range is poorly known but widespread in Wales and W and N England. Sometimes emerges from roost in late afternoon. Flight is rapid with short glides. Roosts in buildings, roofs and bat boxes in summer, hibernates in tunnels, tree holes and cellars.