Megabat long, thus smaller than some microbats, for example, the Mauritian tomb bat. The largest attain a wingspan of , and weigh as much as . Most fruit bats have large eyes, allowing them to orient themselves visually in twilight and inside caves and forests. Their sense of smell is excellent. In contrast to the microbats, the fruit bats do not use echolocation (with one exception, the Egyptian fruit bat "Rousettus egyptiacus", which uses high-pitched tongue clicks to navigate in caves). Megabats make up the only family (Pteropodidae) in order Chiroptera that is not capable of laryngeal echolocation. Echolocation and flight
Ghost-faced bat of food. They are often found feeding over standing water. Because these bats tend to roost in larger colonies they are susceptible to parasites and rabies which have been known to wipe out entire colonies. The ghost-faced bat survives on a diet of small insects. They use echolocation to identify their food at night and are able to catch insects in the darkness with little or no additional light. Very little is known about their reproduction and development. These bats only seem to carry one embryo at a time and are thought to give birth in the spring between March