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Whiskered Bat Myotis mystacinus Wingspan 19-23cm Similar to Brandt’s Bat but smaller in all respects. Identification relies on dentition studies. Adult has long, fluffy fur, dark brown above and greyish below. Ears are dark brown with a longer tragus than in Whiskered. Wings are dark brown and rather narrow. Utters high-pitched squeaks if disturbed. Echolocates in 40-80khz range. Widespread but local. Favours open woodland and park grassland; often feeds over meadows or near water. Emerges from roost after dark. Roosts in tree holes and bat boxes in summer, hibernates in caves, mines and tunnels.