, Short-beaked Echidnas and Platypus are mediumsize, while Water Rats, rats, Brush-tailed Phascogales, microbats, dunnarts and antechinuses are small predators.
The first eastern quolls
in 50 years have been born in the wild on the Australian mainland, with the rice-grain-sized pups offering hope to a species of marsupial devastated by foxes.
By analysing the DNA in the Tiger Quolls
' scats you can find information about their sex, diet and distribution.
They are joined in the trees by sugar gliders and other types of possums, while ground-dwelling mammals such as dingoes, northern brown bandicoots, brush-tailed rabbit-rats, and quolls
prowl the ground below, along with reptiles such as goannas and numerous venomous snakes.
1999: Phylogeographical population structure of the tiger quolls
Dasyurus maculates (Dasyuridae: Marsupialia), an endangered carnivorous marsupial.
Male Northern quolls
live fast and die young in a romantic frenzy of long-distance travel.
The scientists' solution - he claimed - is to feed the quolls
"cane toad sausages" that have the toads' poison replaced by a drug that makes them sick.
Two rare swift parrots, a yellow-tailed black cockatoo and five quolls
-- a carnivorous native cat -- were among the animals still on the loose in what was described as a devastating blow for the zoo s breeding programme.
Even the biggest species, quolls
and Tasmanian devils, live only three to four years.'
Around 50,000 visitors a year come to see the wombats, wallabies, quolls
, sugar gliders, some 30 varieties of birdlife and the park's star attractions, the Tasmanian devils.
Researchers aren't necessarily dismissing the potential threat of cane toads, as they have had a negative impact on some insect populations and on the country's frog predators, including goannas (monitor lizards), freshwater crocodiles, king brown snakes, and northern quolls
, a cat-like marsupial.