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  2. Axolotl - Wikipedia

    en.wikipedia.org/wiki/Axolotl

    A captive leucistic axolotl, perhaps the most well known form of the axolotl Face of a common or wild type axolotl The speckled wild type form Axolotl's gills (Ambystoma mexicanum) A sexually mature adult axolotl, at age 18–27 months, ranges in length from 15 to 45 cm (6 to 18 in), although a size close to 23 cm (9 in) is most common and ...

  3. List of mammalian gestation durations - Wikipedia

    en.wikipedia.org/wiki/List_of_mammalian...

    Another factor is due to the shortage of food stocks during winter as the insects are being driven away and as the result, bat hibernate in pregnant condition. [38] In pinnipeds, the purpose of delayed implantation is in order to increase survival chance of the young animals as the mother ensure that the neonates are born at an optimal season. [39]

  4. Pregnancy in fish - Wikipedia

    en.wikipedia.org/wiki/Pregnancy_in_fish

    Pregnancy has been traditionally defined as the period of time eggs are incubated in the body after the egg-sperm union. [1] Although the term often refers to placental mammals , it has also been used in the titles of many international, peer-reviewed, scientific articles on fish.

  5. Why Axolotls are Slowly Disappearing

    www.aol.com/why-axolotls-slowly-disappearing...

    The axolotl can grow up to 12 inches and weigh anywhere from three to eight pounds, and its average lifespan in the wild is 10-15 years. Most axolotls are dark brown with some black speckling, but ...

  6. 'Adopt an axolotl' campaign launches in Mexico to save iconic ...

    www.aol.com/news/adopt-axolotl-campaign-launches...

    In their main habitat the population density of Mexican axolotls (ah-ho-LOH'-tulz) has plummeted 99.5% in under two decades, according to scientists behind the fundraiser.

  7. Chinese woman gives birth after claiming 17-month-long pregnancy

    www.aol.com/news/2016-08-22-chinese-woman-gives...

    A woman from Hunan, China, was pregnant for a record-breaking 17 months, according to People's Daily Online; she reportedly got pregnant in February 2015 and hadn't given birth by mid-August this ...

  8. Gestation - Wikipedia

    en.wikipedia.org/wiki/Gestation

    Human pregnancy can be divided into three trimesters, each approximately three months long: the first, second, and third trimester. The first trimester is from the last menstrual period through the 13th week, the second trimester is 14th–28/29th week, and the third trimester is 29/30th–42nd week. [ 6 ]

  9. Pregnancy (mammals) - Wikipedia

    en.wikipedia.org/wiki/Pregnancy_(mammals)

    In mammals, pregnancy is the period of reproduction during which a female carries one or more live offspring from implantation in the uterus through gestation. It begins when a fertilized zygote implants in the female's uterus , and ends once it leaves the uterus.