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ALERT

Rusa deer in Australia


Deer – Rusa

Scientific name - Cervus timorensis

Other common names - Rusa deer, Javan deer

Origin - Indonesia

 

Distinctive characteristics

Coat is coarse and dark in appearance, with reddish-brown colouration during summer. The coat can have a rough broom-like appearance.

Identification

The coat is sparse and reddish-brown in summer with light chest and throat spots, to a heavy dark grey-brown during winter. Males develop a dark, heavy mane. Calves are distinctly reddish in colour. Antlers of mature males usually have three lyre-like tines up to 96 cm in length. However the number of tines is influenced by animal condition. Males are larger in height and weight (up to 110 cm and 135 kg) than females (up to 95 cm and 90 kg). This species can be identified from pellets. Pellets are normally oval-shaped.

History and Biology

Rusa deer were initially introduced to Victoria in the late 1800’s. They are herbivores that graze a wide range of grasses, shrubs and trees. They often form small groups. Rusa deer can breed all year round, and usually produce one calf between March and April. Rusa deer can hybridise with sambar deer and produce fertile offspring. They can also hybridise with red deer, but only produce fertile female offspring. They can live up to 15 years in the wild. The male rusa deer often decorates its antlers with twigs and grass during the breeding season to establish dominance over other males.

Distribution

Feral populations of rusa deer are established in South Australia, NSW and Queensland. There are isolated populations in Victoria and they are absent from other states.

 

Habitat

Prefers grassy areas flanked by woodland, as well as forests, woodlands, and timbered farmland.



Damage

Rusa deer are a growing pest problem in some regions. They cause damage to native vegetation, browsing damage to forest plantations, damage crops and orchards, and can present a hazard for vehicles on motorways. They can also spread weeds, damage gardens and fences, and spread livestock diseases.

 

Control options

Techniques used to control rusa deer may include ground and aerial shooting, exclusion fencing, and trapping / yarding.

Sources:

  • West, P (2018) Guide to introduced pest animals of Australia. CSIRO Publishing, Melbourne.
  • Game Management Authority, Victoria
  • Deer Identification Guide, NSW Local Land Services
 
 
 
 
 
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