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Infanticide not only reduces intraspecific competition between the incumbent's offspring and those of other males but also increases the parental investment afforded to their own young, and allows females to become fertile faster. [12] This is because females of this species, as well as many other mammals, do not ovulate during lactation. It ...
One such occurrence is known as the Bruce Effect, in which female primates may abort the pregnancy when presented with a new male. This has been observed in wild geladas , where a majority of females abort pregnancies following the displacement of a dominant male. [ 29 ]
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.
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.”
Sleep can follow a physiological or behavioral definition. In the physiological sense, sleep is a state characterized by reversible unconsciousness, special brainwave patterns, sporadic eye movement, loss of muscle tone (possibly with some exceptions; see below regarding the sleep of birds and of aquatic mammals), and a compensatory increase following deprivation of the state, this last known ...
Animal euthanasia (euthanasia from Greek: εὐθανασία; "good death") is the act of killing an animal humanely, most commonly with injectable drugs. Reasons for euthanasia include incurable (and especially painful) conditions or diseases, [ 1 ] lack of resources to continue supporting the animal, or laboratory test procedures.
"After-Birth Abortion: Why Should the Baby Live?" [1] is a controversial article published by Francesca Minerva and Alberto Giubilini. Available online from 2012 and published in the Journal of Medical Ethics in 2013, [2] it argues to call child euthanasia or infanticide "after-birth abortion" and highlights similarities between abortion and euthanasia.
This is who is affected by abortion legislation.