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The cleavage stages of marsupial development are vary among groups and aspects of marsupial early development are not yet fully understood. Marsupials have a short gestation period—typically between 12 and 33 days, [ 38 ] but as low as 10 days in the case of the stripe-faced dunnart and as long as 38 days for the long-nosed potoroo . [ 39 ]
The latter subclass is divided into two infraclasses: pouched mammals (metatherians or marsupials), and placental mammals (eutherians, for which see List of placental mammals). Classification updated from Wilson and Reeder's "Mammal Species of the World: A Taxonomic and Geographic Reference" using the "Planet Mammifères" website.
Many marsupials undergo torpor as well as some birds and placental mammals. [26] There are two types of torpor: hibernation which is long term (weeks or months) and daily torpor which is usually only a few hours. [26] Daily torpor involves a less extreme lowering of body temperature and metabolic rate than hibernation. Antechinus undergo daily ...
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The pouch is a distinguishing feature of female marsupials and monotremes, [1] [2] [3] and rarely in males as well, such as in the yapok [4] and the extinct thylacine. The name marsupial is derived from the Latin marsupium, meaning "pouch". This is due to the occurrence of epipubic bones, a pair of bones projecting forward from the pelvis
Celebrants need to eat the grapes before the clock chimes 12:01 a.m., and if consumed in full, tradition holds that good luck will be by your side for the entire year. Spaniards commonly choose ...
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The brown antechinus (Antechinus stuartii), also known as Stuart's antechinus and Macleay's marsupial mouse, is a species of small carnivorous marsupial of the family Dasyuridae. The males die after their first breeding season, and the species holds the world record for being the world's smallest semelparous mammal.