The type of monkeys that live in the area of The Sacred Monkey Forest Sanctuary (Monkey Forest Ubud), known as the Balinese long-tailed monkey, in scientific called Macaca fascicularis. In English called macaque.
There are about 600 monkeys living in this area. They are divided into 5 groups: in front of the main temple, Michelin, eastern, central, and cemeteries. Each group consist of 100 – 120 monkeys which: infants (0 – 1 year), juvenile 1 (1 – 2 years), juvenile 2 (2 – 4 years), sub adult male (4 – 6 years), adult female (> 4 years), and adult male (> 6 years).
Because of the considerable population, the conflicts between groups of monkey cannot be avoided. Sometimes for a specific reason, such as a bath to the river in the dry season, certain groups must cross the other groups territory.
This type of primate is active during the day and rest at night. The pregnancies of female monkey are about 6 months and generally 1 infant is born. Very rarely are twin. Monkey’s baby stays with their mother for about 10 months and thereafter will be weaned to live independently.
Mating can occur throughout the year with higher intensity happened in May to August. Monkey’s mothers are keeping their babies intensively; even female monkeys who are not the parent also participated in keeping the baby monkey.
The average weight of female monkey is 2.5 – 5.7 kg and male monkey is 3.5 – 8 kg. The lifespan of male monkey up to 15 years while female monkey up to 20 years.
The long tailed monkeys are omnivores. In the Monkey Forest Ubud, the main food of the monkeys is sweet potato, given 3 times a day and combine in daily with: banana, papaya leaf, corn, cucumber, coconut, and other local fruit.