Overview
The Wrinkle-faced Bat (Centurio senex) is one of the most anatomically extraordinary mammals on Earth. Belonging to the New World leaf-nosed bat family Phyllostomidae, this small Neotropical frugivore is instantly distinguished by its naked, intricately convoluted facial skin folds and an unusually short, broad cranium that gives it an almost extraterrestrial profile. Despite its grotesque appearance, it is a gentle, specialized fruit eater that plays an essential role in dispersing seeds across Central and South American forest canopies.
Biology and Physical Characteristics
Centurio senex features a dense, yellowish-brown to grizzled gray pelage with conspicuous white patches on the shoulders. Its most remarkable trait is its completely hairless, labyrinthine facial folds and skin flaps, which are particularly pronounced in adult males. The skull is dramatically foreshortened, boasting one of the strongest bite forces relative to body size among all bats, enabling it to bite through tough-skinned wild fruits and crunch hard seeds. Adult males possess a translucent fold of chin skin that can be pulled up like a mask over the lower half of the face during courtship and roosting.
Behavior and Ecology
Nocturnal and strictly arboreal, the wrinkle-faced bat roosts during daylight hours hidden beneath dense clusters of leaves or vine tangles rather than in dark caves. When foraging at night, it consumes pulpy fruits, storing juice in expanded cheek pouches while masticating the pulp with powerful jaw muscles. During the breeding season, males form leks, gathering in loose groups where they perform elaborate acoustic displays, wing-fluttering routines, and pull their facial chin masks up to seduce visiting females before mating.
Conservation and Human Impact
Classified as Least Concern by the IUCN, Centurio senex possesses a broad geographic distribution extending from central Mexico through Central America to northern Colombia, Venezuela, and Trinidad. Although locally uncommon in standard mist-net surveys due to its preference for high-canopy flight paths, stable populations persist throughout protected national parks and biosphere reserves. Ongoing deforestation and fragmentation of humid tropical dry forests represent the primary long-term threats to its habitat connectivity.
Interesting Factoid
Male Wrinkle-faced Bats have a built-in chin mask made of loose skin that they can pull completely over the lower half of their faces like a sleep mask when resting or courting potential mates!
Last updated: October 2026