Pictures and facts about the Sac-winged bats, sheath-tailed bats, and relatives

Ecuadorian sac-winged bat	African sheath-tailed bat
chestnut sac-winged bat	northern ghost bat
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Sac-winged bats, sheath-tailed bats, and relatives

Order : Chiroptera
Family : Emballonuridae

Facts about the family Emballonuridae, the sac-winged bats, sheath-tailed bats, and relatives

Like many families of Chiroptera, Emballonuridae is monophyletic (Simmons, 1998; Table 1), but relationships within the family are unclear.

Emballonuridae is an old lineage, stretching back at least to the mid Eocene, and probably further. (Full text)