(Tachyglossus aculeatus)
These terrestrial monotremes have extreme drops in temperature and metabolic rate during hibernation, which can last up to seven months. Normally 31-32 degrees, they can cool to a chilly four degrees while inactive, and reduce their metabolic rate to 10-20 per cent.
(Antechinus stuartii)
This marsupial mouse found throughout northern and eastern Australia belongs to the Dasyurid family, many of which enter daily torpor. Depending on their size, dasyurids can drop their body temperature to between 11-25 degrees and their metabolic rate to 10-60 per cent.
(Acrobates pygmaeus)
Weighing only 15g and growing up to 80mm, the feathertail glider – found in Victoria, Queensland, South Australia and New South Wales – is the smallest glider in the world. Dropping its body temperature to just two degrees and its metabolic rate to six per cent, it is able to enter multi-day torpor for up to a week.
(Burramys parvus)
Living in the Australian Alps, this tiny alpine possum hibernates under snow for about six months of the year. It has extreme reductions in body temperature and metabolic rate, dropping to between one and six degrees and three per cent respectively.
(Myrmecobius fasciatus)
This termite-dependent marsupial found in south-west Western Australia uses daily torpor in winter. Torpor bouts can last up to 15 hours, with the animals dropping their temperature to a minimum of 19.1 degrees.
(Dasyurus viverrinus)
This spotted carnivore about the size of a house cat belongs to the Dasyurid family, many of which enter daily torpor. Depending on their size, dasyurids can drop their body temperature to between 11-25 degrees and their metabolic rate to 10-60 per cent.
(Sminthopsis crassicaudata)
Found in grasslands and deserts throughout mainland Australia, this small insectivorous marsupial belongs to the Dasyurid family, many of which enter daily torpor. Depending on their size, dasyurids can drop their body temperature to between 11-25 degrees and their metabolic rate to 10-60 per cent.
(Podargus strigoides)
These insectivorous birds can enter shallow torpor bouts in winter, with small drops in body temperature. These often occur at night and can last up to seven hours.
(Antechinus flavipes)
Also known as the Mardo, this small marsupial found in Queensland, South Australia and the south-west of WA belongs to the Dasyurid family, many of which enter daily torpor. Depending on their size, dasyurids can drop their body temperature to between 11-25 degrees and their metabolic rate to 10-60 per cent.
(Tiliqua scincoides)
Lizards and snakes often enter a state of torpor during the colder months. As ectothermic or ‘cold-blooded’ animals, a reptiles’ internal heat is determined by external sources such as warm rocks so, unlike endotherms, they have no control over their temperature and metabolic rate.
(Agrotis infusa)
These native moths are known for their mass migrations throughout southern Australia and Tasmania during spring. During the summer months, the adult moths aestivate in rock crevices, before migrating north to breed.
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