Broad-winged bats with low-wing loading, false vampire bats are capable of flying and maneuvering in areas of vegetation. They may take prey from surfaces (the ground or vegetation) or in flight. False vampire bats eat animals ranging from arthropods to vertebrates, including bats, birds, fish, frogs, and lizards, with larger species taking larger prey. False vampire bats use at least three approaches to finding prey. Often they identify prey-generated sounds such as the footfalls of large arthropods or mice. They may also use vision and, at least in experimental situations, greater false vampire bats used echolocation to find frogs. Prior to foraging in the evening, false vampire bats as well as heart-nosed bats (Car-
dioderma cor) sing from perches in their hunting areas. Their songs appear to be territorial advertisements.
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