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Dormice are nocturnal animals found in Africa, Asia, and Europe. They are named for their long, dormant hibernation period of six months or longer. [2] There are 9 genera and 28 living species of dormice, with half of living species belonging to the African genus Graphiurus. [3]
Only animals from the classes of the Chordata phylum are included. [1] On average, captive animals (especially mammals ) live longer than wild animals. This may be due to the fact that with proper treatment , captivity can provide refuge against diseases , competition with others of the same species and predators .
The Newfoundland black bear ranges in size from 90 to 270 kilograms (200 to 600 lb) and averaging 135 kilograms (298 lb). It also has one of the longest hibernation periods of any bear in North America. [3]
The state's propensity for lots of bears also attracts hunters and fuels economies in many rural areas, with more than 4,000 animals taken during the 2022 bear season − up 11% over 2021 figures ...
Some animals seasonally go into long periods of inactivity, with reduced body temperature and metabolism, made up of multiple bouts of torpor. This is known as hibernation if it occurs during winter or aestivation if it occurs during the summer. Daily torpor, on the other hand, is not seasonally dependent and can be an important part of energy ...
To prepare for hibernation, grizzlies must prepare a den and consume an immense amount of food because they do not eat during hibernation. Grizzly bears also do not defecate or urinate throughout the entire hibernation period. The male grizzly bear's hibernation ends in early to mid-March, while females emerge in April or early May. [53] In ...
Hibernation may last days, weeks, or months—depending on the species, ambient temperature, time of year, and the individual's body-condition. Before entering hibernation, animals need to store enough energy to last through the duration of their dormant period, possibly as long as an entire winter.
This meant that the longest-lived individual of this species was at least 41 years old. [8] In mammals, larger animals tend to have longer lifespans than smaller ones; the Siberian bat is the most extreme outlier to this pattern, with lifespans exceeding 40 years in the wild while only weighing 4–8 g (0.14–0.28 oz). [ 10 ]