Madagascan rousette of the genus "Rousettus", these bats reside within cave roosts, suggesting the use of echolocation. These bats are a part of a larger group of fruit bats within "Rousettus" which consists of 10 different species. The Madagascan rousette primarily resides on western Indian Ocean islands. The habitat of the Madagascan rousette is generally found to be associated with forests. They will roost well beyond the time of twilight. Many roosts have been found within caves however some bats have been found without a known cave roost, suggesting that the Madagascan rousette may sometimes roost within tree holes or other alternatives.
Lesser sac-winged bat the tree canopy. The lesser white-lined bat feeds primarily on aerial insects in the order Hymenoptera. This includes flying ants and formicids. The bats forage in areas under tree canopies and use echolocation to hunt the flying insects. The bats don't change their calling frequency or their mouth size when using echolocation while hunting. When roosting, the bats usually form small groups anywhere from 2 to a 9. Additionally, the bats are thought to be monogamous which is rare for most mammals. Females typically only produce one or two young per year. The young can't fly for about the first