mating season. When rutting takes place, males compete with each other to gain control of a harem of females with which they can then mate. After a long gestation period, normally a single calf is born. The young have white spots at birth which fade away as they grow; they are weaned at seven months of age, and become sexually mature from 18 months of age onwards. The gestation period for three species is 220 to 240 days, with bithing occurring:.[1][8][9]
For Manipur deer, between October and end of December
For the Burmese thamin, between October and November
For the siamensis deer in Thailand, Laos, and Cambodia, between October and November