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Males fight one another for the females, and then guard their partners to prevent female infidelity.Females can ovulate three times in as many weeks during the mating season, and 80% of two-year-old females are seen to be pregnant during the annual mating season.It is characterised by its stocky and muscular build, black fur, pungent odour, extremely loud and disturbing screech, keen sense of smell, and ferocity when feeding.The Tasmanian devil's large head and neck allow it to generate among the strongest bites per unit body mass of any extant mammal land predator, and it hunts prey and scavenges carrion as well as eating household products if humans are living nearby.According to Pemberton, the possible ancestors of the devil may have needed to climb trees to acquire food, leading to a growth in size and the hopping gait of many marsupials.He speculated that these adaptations may have caused the contemporary devil's peculiar gait.Fossils of species similar to modern devils have been found, but it is not known whether they were ancestors of the contemporary species, or whether the current devils co-existed with these species.
The Tasmanian devil (Sarcophilus harrisii) belongs to the family Dasyuridae. The relationships between the three species are not clear.
The Tasmanian devil (Sarcophilus harrisii) is a carnivorous marsupial of the family Dasyuridae.
It was once native to mainland Australia and is now found in the wild only on the island state of Tasmania, including tiny east-coast Maria Island where there is a conservation project with disease-free animals.
As most of their prey died of the cold, only a few carnivores survived, including the ancestors of the quoll and thylacine.
It is speculated that the devil lineage may have arisen at this time to fill a niche in the ecosystem, as a scavenger that disposed of carrion left behind by the selective-eating thylacine.
The genus Sarcophilus contains two other species, known only from Pleistocene fossils: S. Phylogenetic analysis shows that the Tasmanian devil is most closely related to quolls.