Hammer-headed Bat (Hypsignathus monstrosus)
Also known as the big-lipped bat, is widely distributed in equatorial Africa. This large bat is found in riverine forests, mangroves, swamps, and palm forests at elevations less than 1800 meters.
There is extreme sexual dimorphism in this species.The male possesses an enormous head for producing loud honking calls. It is nearly three times larger in males than females. Females have a much more fox-like appearance similar to most fruit bats.
