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BiologyThis apparently wary bat can be found deep inside small caves, hanging high on the ceiling, suspended by their toes and strong claws (2). A 'tendon-locking mechanism' keeps their claws bent with very little muscular effort, and hanging upside down allows the bat to swiftly take flight from the resting position (3). Many caves in which Kitti's hog-nosed bats have been found contain only 10 to 15 individuals, but the average group size is 100, and the maximum is 500 (6). Females give birth to a single young in late April, the dry season, and leave their offspring in the roost whilst they venture out to forage (6). Kitti's hog-nosed bats emerge from their caves shortly after sunset, and again just before dawn, when they hunt for brief periods (2) (3). They search for prey around the tops of teak trees and bamboo clumps (6), gleaning insects from foliage and seizing small flying insects from the air (2). Like other bats, the Kitti's hog-nosed bat can locate prey and navigate through the trees by using echolocation. They emit ultrasonic squeaks that bounce off their surroundings, and the echoes are used to create a mental map of the area, and determine the location of potential prey (3).