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Some females abort or resorb their own young while they are still in development after a new male takes over; this is known as the Bruce effect. [31] This may prevent their young from being killed after birth, saving the mother wasted time and energy. However, this strategy also benefits the new male.
To protect their young from infanticide, many species of primate mothers will form social monogamous pairs to prevent paternal infanticide. In these pairs, the males will mate with other females but live exclusively with one female as a socially monogamous pair.
In many instances of nonparental infanticide in carnivores, the male of a species kills the young of a female to make her sexually receptive, e.g. brown bears. When one or two new male lions defeat and exile the previous males of a pride, the conqueror(s) will often kill any existing young cubs fathered by the losers. [3]
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 ...
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Eleven endangered male frogs that traveled 7,000 miles in a bid to save their species from extinction have “given birth” to 33 froglets at London Zoo. Endangered frog daddies transported 7,000 ...
The 16th century novel Journey to the West, described as arguably the most popular literary work in East Asia, [29] contains an episode in which two of the men in the main cast accidentally become pregnant by drinking from the “Child-and-Mother River” (Zimu he,子母河), then abort the pregnancies by travelling to the Abortion Spring (Luo ...
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]