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Four species of quoll occur in Australia:

The northern, spotted-tailed, eastern and western quolls.
Once, most parts of Australia were inhabited by at least one of the species. Captain Cook collected quolls along the east coast in 1770, and recorded "quoll" as their local Aboriginal name. Quolls were often seen by early settlers, who called them "native cat", "native polecat" and "spotted marten", names based on familiar European animals. Since 1770, all four species have declined dramatically in numbers. This is mainly because of habitat loss or change across Australia, and introduced predators such as foxes and cats.
 

Spotted-tailed Quoll

  • Scientific name: Dasyurus maculatus
  • Common names: Spot-tailed quoll, tiger cat
  • Average head-body length: 38-76 cm (male); 35-45 cm (female)
  • Tail length: 37-55 cm (male); 34-42 cm (female)
  • Average weight: up to 7 kg (male); up to 4 kg (female)
illustration by Barbara Cameron Smith The spotted-tailed quoll is the largest native carnivore left on mainland Australia. It lives in forest, woodland and dense coastal heathland.
The quoll's distribution has decreased markedly since European settlement, and it is now uncommon across most of its range.
The small Queensland subspecies is nationally endangered and the larger south-eastern subspecies, although common in Tasmania, is listed as nationally vulnerable.

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Eastern Quoll

illustration Sue Stranger
  • Scientific name: Dasyurus viverrinus
  • Common names: Eastern quoll, native cat, quoll
  • Average head-body length: 37 cm (male); 34 cm (female)
  • Average tail length: 24 cm (male); 22 cm (female)
  • Average weight: 1.3 kg (male); 0.9 kg (female)
The eastern quoll once ranged over much of south-eastern Australia, but is now all but extinct on the mainland. It is still common in Tasmania, where it lives in open forest, heath, scrubland and cultivated land. If the foxes recently introduced to Tasmania become established, the security of the quoll population, already threatened by continuing habitat loss, would be further reduced.

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