Lesser Short-nosed Fruit Bat - Reproduction

Reproduction

The mating system of lesser short-nosed fruit bats is polygynous. In the Philippines, most populations give birth twice a year and pregnant females have been found in almost all months. The period of gestation is approximately 3.5 to 4 months. The mother nurses the young with milk for about six to eight weeks. It takes about a year for the male to become sexually mature, and most females become pregnant at approximately six to eight months of age. Medway observed that breeding was non-seasonal in Peninsular Malaysia and that a single young was produced and carried by the female during the early stage of its life. Breeding is also non-seasonal in Thailand. Most pregnancies occur from March to June with peaks in January and September. Lactation corresponds with the peak of the rainy season as well as the fruiting season. Both sexes take care of the young. Males play an active role in lactation and feeding the young. They have mammary glands that are same size as the those of the female and exceed 8% of their overall body mass.

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