Physical characteristics

Since all four subfamilies are in the family Vespertilionidae, they share some features, including a well-developed tragus that reaches up from the base of the ear, a nearly naked patag-ium, or flight membrane, that covers a relatively long tail, and

A golden-tipped bat (Kerivoula papuensis) on a log. (Photo by Pavel German. Reproduced by permission.)
A little long-fingered bat (Miniopterus australis). (Photo by Pavel German. Reproduced by permission.)

the lack of the fleshy nose ornament common to so many other bat families. Unlike other vespertilionids, however, species in the subfamily Murininae have nostrils appearing at the end of tube-shaped nose. Tomopeas lacks the anterior basal earlobe present in the other subfamilies. Miniopterines have an extremely long third finger that they can fold, earning them the moniker bent-wing bats. Members of the subfamily Kerivouli-nae all share a long, slender, pointed tragus.

A golden-tipped bat (Kerivoula papuensis) resting on moss. (Photo by Pavel German. Reproduced by permission.)
A tube-nosed insectivorous bat (Murina leucogaster). (Photo by Brock Fenton. Reproduced by permission.)

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