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The presence of a parent significantly reduces the rate of infanticide because conspecific adults ignore juveniles when a parent is present, likely because another adult is more threatening to the aggressive lizard. Therefore, a juvenile living within its parents' own territory will experience far less attacks from conspecific adults. [42] [43]
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.
Infanticide in non-human primates occurs as a result of exploitation when the individuals performing the infanticide directly benefit from consumption or use of their victim. [1] The individual can become a resource: food ( cannibalism ); a protective buffer against aggression, or a prop to obtain maternal experience.
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.
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.” It tends to occur in ...
Twice in the past week alone, former President Donald Trump has pushed his often-repeated falsehood that some U.S. states, in their zeal to protect abortion rights, allow for the killing of babies ...
Most goslings will stay by their parents' side for the first year of life then grow apart from the adults. Young geese who fly together are known as "gang broods" and typically fly south together ...
When women give birth to their babies, they often kill them to escape the shame or persecution. However, the ratio of female babies being killed in these cases is much higher than the boys because boys are much more valued. Infanticide is illegal in Pakistan. However, people do not report these cases, making it impossible for police to investigate.