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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.
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]
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]
In the wild, they are fierce predators and even fiercer protectors of their young, and this mater… A-Z Animals Articles 2 days ago Watch This Baby Penguin Run to Its Caregiver.
The witch eats the soup, thinking it "Buttercup broth", while it is actually "Daughter broth", as he comments triumphantly. [8] Puss in Boots confronting an ogre who is dining on human babies and whole animals (illustration by Gustave Doré) In the French tale Hop-o'-My-Thumb it is an ogre rather than a witch who tries to eat children.
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.”
This provides an advantage to the male because the female will more quickly copulate with him and raise his young rather than the young from the previous mate; his fitness increases through use of infanticide. Infanticide in one-male breeding units has also been observed in red-tailed monkeys [10] and blue monkeys. [11]
“The Republicans eat their young, they really do, and it’s a terrible statement but it’s true,” he said. “And that’s the problem with so many in our party; they just don’t have the ...