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Marsupials, along with monotremes (platypuses and echidnas), typically have lower body temperatures than similarly sized placentals , [12] with the averages being 35 °C (95 °F) for marsupials and 37 °C (99 °F) for placentals.
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
A marsupial has a short gestation period, typically shorter than its estrous cycle, and gives birth to an underdeveloped newborn that then undergoes further development; in many species, this takes place within a pouch-like sac, the marsupium, located in the front of the mother's abdomen.
Like some New World monkeys, some opossums have prehensile tails. Like most marsupials, many females have a pouch. The tail and parts of the feet bear scutes. The stomach is simple, with a small cecum. [9] Like most marsupials, the male opossum has a forked penis bearing twin glandes. [20] [21] [9]
A rare marsupial joey is exploring life outside its mother’s pouch for the first time at a North Carolina zoo. The North Carolina Zoo, located in Asheboro, welcomed a new healthy bettong joey to ...
The mammals included are only viviparous (marsupials and placentals) as some mammals, which are monotremes (including platypuses and echidnas) lay their eggs. A marsupial has a short gestation period, typically shorter than placental. For more information on how these estimates were ascertained, see Wikipedia's articles on gestational age.
A boa constrictor in the U.K. gave birth to 14 babies — without a mate. The process is called parthenogenesis, from the Greek words for “virgin” and “birth.”
But the tiny marsupial has a not so warm and fuzzy side: It will eject the baby, called a joey, in its pouch and bounce away when threatened by predators. The brutal strategy is necessary for ...