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  2. Infanticide (zoology) - Wikipedia

    en.wikipedia.org/wiki/Infanticide_(zoology)

    Animal infanticide is studied in zoology, specifically in the field of ethology. Ovicide is the analogous destruction of eggs. The practice has been observed in many species throughout the animal kingdom, especially primates (primate infanticide) but including microscopic rotifers, insects, fish, amphibians, birds and mammals. [3]

  3. Animal embryonic development - Wikipedia

    en.wikipedia.org/wiki/Animal_embryonic_development

    In animals, the process involves a sperm fusing with an ovum, which eventually leads to the development of an embryo. Depending on the animal species, the process can occur within the body of the female in internal fertilization, or outside in the case of external fertilization. The fertilized egg cell is known as the zygote. [2] [5]

  4. Reproductive suppression - Wikipedia

    en.wikipedia.org/wiki/Reproductive_suppression

    Alpha female dwarf mongooses and African wild dogs kill offspring other than their own, but alpha males do not. [23] This may be because the breeding alpha may have sired a rare subordinate's offspring. Subordinate females time their pregnancies such that they give birth several days after the alpha female, to reduce the risk of infanticide.

  5. 10 animal mothers that make the ultimate sacrifice - AOL

    www.aol.com/news/2016-05-05-10-animal-mothers...

    Some animals starve to death shortly after birthing their young while others are eaten by their own young -- but these mothers make the ultimate sacrifice. Click through for 10 animal mothers that ...

  6. Yes, some animals can have babies without a mate. Here's how

    www.aol.com/news/yes-animals-babies-without-mate...

    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.”

  7. Gestation - Wikipedia

    en.wikipedia.org/wiki/Gestation

    Gestation is the period of development during the carrying of an embryo, and later fetus, inside viviparous animals (the embryo develops within the parent). [1] It is typical for mammals, but also occurs for some non-mammals. Mammals during pregnancy can have one or more gestations at the same time, for example in a multiple birth. [2]

  8. Claims About Children Born Alive After Abortion Attempts in ...

    www.aol.com/news/claims-children-born-alive...

    Minnesota Department of Health documents show that eight infants were born alive during abortion procedures between 2019 and 2022, and, in 2023, Walz signed legislation that repealed most of a ...

  9. Mammalian reproduction - Wikipedia

    en.wikipedia.org/wiki/Mammalian_reproduction

    Human babies are unique in the animal kingdom due to their large head size relative to their bodies. This has an effect on the birthing process for humans as the bipedal gait of a human causes the birthing canal to be relatively narrow and twisted in the middle.