Cervus-timorensis, Rusa Deer, Sunda Sambar, Rusa Timur

Written by on November 30, 1999 in Bali Mammals, Java Bromo Animal with 0 Comments

Cervus-timorensis, Rusa Deer, Sunda Sambar, Rusa Timur

The Rusa Deer or SCervus-timorensis, Rusa Deer, Sunda Sambar, Rusa Timurunda Sambar, Cervus timorensis, are native to the islands of Java eastwards towards Bali, and Timor in Indonesia. This species of deer is similar in ecology to the Chital of India, occupying open dry and mixed deciduous forests, parklands, and savannas. Rusa deer are also found as an introduced species on the Australian mainland and are a close relative to the larger Sambar deer.

Rusa Deer are moderately hunted in eastern Australasia and they have also established populations in remote islands probably brought by Indonesian fishermen. There are two subspecies of the Rusahighear; the more common and larger Javan Rusa, a large stag (male deer) weighing in at around 136 kg with does(females) being much smaller tipping the scales at around 96 kg. The second species of Rusa deer is the less common and slightly smaller Mollucan Rusa which on average are 20 kg lighter than their Javan cousins.

Rusa Deer are predominantly active around the early morning and late afternoon rarely being seen in the open and being very difficult to approach due to their keen senses and naturally cautious instincts. These deer have shown a very good sense of adaptation; living as comfortably in the dry Australian bush as they do in their tropical homelands. This trait is shown well in the more frequent encounters on the fringes of Wollongong and Sydney, and in particular, the Royal National Park, indicating steadily growing numbers and strong herds.

Rusa Deer are recognised by their large ears, the light tufts of hair above the eyebrows, the typical antlers seeming overly large for their body size. If you get get close to a free ranging Rusa stag and spook him, he will let out an extremely loud honk. This is a form of alarm and will alert any other deer in the vicinity of the unrecognised danger.

Rusa Deer are very sociable and you will rarely find one on its own; it may seem to be alone but these animals are masters of camouflage. Rusa Deer are so adept at hiding themselves that they may sometimes let you walk right past.

These animals breed around July and August in a period known as the rut. At this time stags battle for dominance and breeding rights of the females and contest these bouts through calling in a loud shrill bark or physical contact with the antlers.

The females calf at the start of spring and animals are mature in aroung 3 to 5 years depending on conditions and habitat.


* Cervus timorensis djonga Muna and Butung Islands.
* Flores Rusa Deer Cervus timorensis floresiensis Lombok and other islands.
* Celebes Rusa Deer Cervus timorensis macassaricus Celebes.
* Moluccan Rusa Deer Cervus timorensis moluccensis Molucca Islands.
* Javan Rusa Deer Cervus timorensis rusa Java.

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