Javan Rusa Facts and Information

By | Deer Species

Javan Rusa Deer Rusa

The Javan Rusa is a deer species that holds a unique place in Indonesia's rich biodiversity. These elegant creatures, known for their distinct features, have piqued the curiosity of wildlife enthusiasts for generations.

Species Data

  • Class: Mammalia
  • Order: Artiodactyla
  • Family: Cervidae
  • Scientific Name: Rusa timorensis
  • Life Span: 15 to 20 years
  • Height: 85-110 cm (33-43 inches)
  • Weight: 150-180 pounds (68-82 kilograms)


The Javan Rusa is a medium-sized deer with a reddish-brown coat adorned with white spots on its back and sides. Males (bucks) typically have three-pronged antlers that are shed annually, while females (does) do not possess antlers.


These deer possess a graceful appearance with slender legs and a distinctive hump-like ridge on their back. Their striking coat patterns add to their allure, making them a sight to behold in the lush Indonesian forests.


Javan Rusa are known for their adaptability and are often found in various habitats, from forests to grasslands. They are primarily active during dawn and dusk, displaying a cautious yet curious nature.


Native to Indonesia, the Javan Rusa thrives in a variety of environments, including lowland rainforests, savannas, and coastal areas. Their adaptability has enabled them to establish populations on multiple Indonesian islands.

Diet and Nutrition

These herbivores have a diverse diet, feasting on grasses, leaves, fruits, and even agricultural crops. Their feeding habits play a crucial role in shaping the ecosystem.

Mating Habits

Javan Rusa typically mate during the rainy season, with a gestation period of around 230 days. Female deer give birth to a single fawn, which they protect and nurture in their native habitat.

Mating Behavior

  • Reproduction Season: Rainy season
  • Pregnancy Duration: Approximately 230 days
  • Baby Carrying: Females provide care and protection to their fawns
  • Independent Age: Fawns become independent at around 6-8 months
  • Female Name: Doe
  • Male Name: Buck
  • Baby Name: Fawn

5 Fun Facts for Kids

  1. Javan Rusa are excellent swimmers and are known to cross rivers and streams with ease.
  2. Their name “Rusa” is derived from the Indonesian word for deer.
  3. These deer are considered a symbol of fertility and prosperity in Indonesian culture.
  4. Javan Rusa have a special gland near their eyes that secretes a substance used for marking territories.
  5. They are known for their distinctive vocalizations, including barks and grunts, which they use to communicate with each other.

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