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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 ...
Some rodent species (most typically males) will take the chance to kill neonates that are unrelated to them should opportunity permit. There is thought to be several benefits by doing so, which not only include nutrition benefits (particularly where food is in short supply [8]) but also non-direct benefits, such as allowing access to more resources, improving reproductive opportunities and the ...
Natal homing, or natal philopatry, is the homing process by which some adult animals that have migrated away from their juvenile habitats return to their birthplace to reproduce. This process is primarily used by aquatic animals such as sea turtles and salmon , although some migratory birds and mammals also practice similar reproductive behaviors.
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 ...
Approximately 3 days after giving birth, subordinate females return to the group to help rear the breeding female's pups, at which time the dominant female is no longer aggressive toward them. By inducing the stress response in subordinates, the breeding female disrupts the ovulatory cycle and prevents mating of the subordinate females, or ...
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 ...
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.
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 ...