Northern quolls (Dasyurus hallucatus) are native to a 150 kilometer band, across the northern Australian coast, from Pilbara in western Australia, to the northeast coast of Queensland. Since European settlement, the species has declined drastically over much of its range and has even become locally extinct on some Australian Islands. It is currently found in six isolated populations: in the Hamersley Range, northern and western Top End, North Cape York tip, Atherton Tableland and the Carnarvon Range. Northern quolls are the most arboreal of the Australian quolls although they inhabit a variety of terrestrial habitats. They are most often found in rocky escarpments and open eucalyptus forests of lowland savannahs. This species has experienced an overall decline in population throughout its range; however, the savannah habitats have experienced the most drastic population decline. Northern quolls have been known to den in tree hollows, rock crevices, logs, termite mounds and goanna burrows.

Northern quolls are medium sized Dasyurids and the smallest of the Australian quolls. They are sexually dimorphic, with males larger than females. Males may weigh as much as 1,200 g, although they usually range between 400 to 900 g (an average of 760 g). Females range between 300 to 500 g (an average of 760 g). Their total length is similar, although males are slightly longer, ranging from 12.3 to 31 cm; whereas females range from 12.5 to 30 cm. Their tail is long relative to their body, the average tail length for males is 12.7 to 30.8 cm; whereas female tail lengths range 20 to 30 cm. n general, northern quolls are somewhat mouse-like in appearance. They have short coarse fur, with thin underfur. They are dusky grey-brown, with large white spots dorsally and cream to white fur ventrally. This species has well-defined serrated pads on their palms and soles and an unspotted tails. They have a hallux, with a total of five toes on their hind feet. Females have five to eight exposed teats, arranged in anterioposterior rows, surrounded by a marginal fold of skin (marsupium).

Males and females are promiscuous. The mating season corresponds with the Australian dry season, occurring in May and June. Females are intra-sexually territorial, with no observed overlap in territory, most likely maintained by mutual avoidance. Feces markers are more commonly observed during the mating season, advertising female presence both to other females and males. Females are visited by multiple males during the mating season, with short encounters occurring at night in the female's den. It is rare for a female not to breed in any given year. Males are non-territorial and attempt to breed with as many females as possible during the breeding season, often traveling long distances from one female to another, monitoring the onset of estrus. The mating process has yet to be observed, although it appears to be quite aggressive, with females often showing distinct scars from males biting the back of their neck and clasping their sides during copulation. Males are the largest mammal and the only Dasyurid known to experience complete semelparity, usually dying within two weeks of mating.

The main focus areas of the journal includes but not limited to animal viral diseases, animal-welfare, aquaculture production, fisheries-research, hybrid poultry, natural resource management, poultry diseases, poultry management and processing, poultry physiology and diseases, poultry vaccine, poultry-farming, wild-life overkill, wildlife conservation, wildlife ecology, wildlife research, wildlife-demography, wildlife-diseases and zoonotic disease.

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