Skin Key

Option A: Tail Fully Enclosed

Image of Vespert 2 1b for Mammals of Tanzania identification key

Option A: Vespertilionidae

Option B
The last bone in the third digit of the wing is not more than twice the length of the bone next to the last bone.
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Image of Results 35b for Mammals of Tanzania identification key

Option A: Miniopterus

Option A

There are 2 species recorded in Tanzania: Miniopterus minor and Miniopterus schreibersi. The most obvious characteristic of this genus is the long third finger, which can fold back against the wing.