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Children who live with both their natural (biological) parents are at low risk for abuse. The risk increases greatly when children live with step-parents or with a single parent. Children living without either parent (foster children) are 10 times more likely to be abused than children who live with both biological parents. [citation needed]
Similar to promiscuous mating, female primates are proceptive during the first and second trimester of pregnancy in order to increase paternity confusion of their offspring. [25] Finally, in multi-male multi-female groups, female synchrony, in which females are all fertile at the same time, can prohibit the dominant male from monopolizing all ...
Female and male gerbils were put into one of four housing conditions (parents only, parents and siblings, siblings, and unrelated). Again, a pup test was conducted (same as previous study above), with each male and female to observe responses to an unfamiliar pup in the cage, while progesterone was measured via blood sample following the test.
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.”
Within five months of a tigress giving birth, she may become receptive again if her first litter is lost, and for this reason wandering males may commit infanticide. [5] In fear of infanticide, female jaguars will not tolerate the presence of any male, even the father of the litter, once she gives birth to her cubs.
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Parents may joke about the amount of time their preschoolers spend watching Bluey — a cartoon about the adventures of a puppy and her family — in a given week, but the show recently earned ...
Filial cannibalism occurs when an adult individual of a species consumes all or part of the young of its own species or immediate offspring.Filial cannibalism occurs in many species ranging from mammals to insects, and is especially prevalent in various types of fish species with males that engage in egg guardianship. [1]