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Reproductive Seasonality of Myanmar Long-tailed Macaque (Macaca fascicularis aurea)
- The Myanmar long-tailed macaques (Macaca fascicularis aurea) are distributed to coastal regions in Myanmar, ranging from 10° to 21°N. Reproductive pattern was studied on a troop of long-tailed macaque inhabiting the steep limestone-rock Bayin Nyi Naung Mountain (16° 58.2' N), in Southern part of Myanmar, where the climate is seasonal. Bayin Nyi Naung Mountain troop shows the reproductive seasonality which appears to be related with the seasonal food availability. Birth season occurs from March to July that coincides with the food abundance season and mating occurs during November to February that during the lean season. There are positive correlations between rainfall and fruit availability, mean temperature and frequency of birth, fruit availability and lactation. There is a highly significant correlation between rainfall and lactation. The rainfall is critical determining food abundance and the rainy season is the best period for females to lactate to grow up their infants.
Aye Mi San
- The Natural History Journal of Chulalongkorn University