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
Human echolocation role of a blind woman who must use echolocation to navigate the environment. In Naughty Dog's 2013 PlayStation 3 game, "The Last of Us", infected people called "clickers" use echolocation. In the 2012 movie "Imagine", the main character teaches echolocation to students at clinic for the visually impaired. This unconventional method spurs a controversy but helps students explore the world. Matthew Murdock is a defense attorney by day and a crime-fighting vigilante by night, going by the name "Daredevil", from Marvel Comics. He was involved in an accident as a child where his eyes came in contact with radioactive chemicals,