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Aestivation (Latin: aestas (summer); also spelled estivation in American English) is a state of animal dormancy, similar to hibernation, although taking place in the summer rather than the winter. Aestivation is characterized by inactivity and a lowered metabolic rate, that is entered in response to high temperatures and arid conditions. [ 1 ]
As a whole the female jumping mouse is slightly larger, and heavier than the male, but their weight varies quite a bit depending on the season. Their weight during summer seasons can range from 11.15 grams to 24. 8 grams, with an average at about 16 to 19 grams. Just prior to hibernation, jumping mice can obtain a weight of 35 grams or larger. [5]
The wood mouse (Apodemus sylvaticus) is a murid rodent native to Europe and northwestern Africa. It is closely related to the yellow-necked mouse (Apodemus flavicollis) but differs in that it has no band of yellow fur around the neck, has slightly smaller ears, and is usually slightly smaller overall: around 90 mm (3.54 in) in length and 23 g in weight. [2]
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 ...
Northern bat hibernating in Norway Bats hibernating in a silver mine. Hibernation is a state of minimal activity and metabolic depression undergone by some animal species. . Hibernation is a seasonal heterothermy characterized by low body-temperature, slow breathing and heart-rate, and low metaboli
The yellow-necked mouse is active all year round and does not hibernate. Sometimes several mice will huddle together during the winter to preserve heat. [ 7 ] It is an excellent climber and scrambles around in trees and bushes.
The mice are born without hair (naked) and live nearly two years. They hibernate an estimated 7–8 months - from September or October through late May or early June [ 6 ] - building themselves a soft vegetation nest, typically at a location with a northerly aspect. [ 7 ]
Mice are good jumpers, climbers, and swimmers, and are generally considered to be thigmotactic, i.e. usually attempt to maintain contact with vertical surfaces. [citation needed] Mice are mostly crepuscular or nocturnal; they are averse to bright lights. The average sleep time of a captive house mouse is reported to be 12.5 hours per day.