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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.
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 ...
A white-fronted capuchin sits in a tree. Cases of infanticide in white fronted capuchins have been attributed to resource competition. 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]
In order to guarantee paternity to their male mates, the females would spend time in the territory of the male, laying her eggs. [ 26 ] Some taxa with high social organization are eusocial , meaning that a single female (e.g., the queen bee ) or caste produces offspring while the other organisms (e.g., non-reproductive female worker bees ...
On a post on the “childfree” subreddit about the Newsweek article, women were lauding their decision to get sterilized as young as 21 years old — some throwing around extreme claims now ...
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 ...
The women who believe that abortion should be legal under any circumstance are a minority among women. Doubling down on minority positions is how you become a minority party—and stay one.
To counteract loss of their pups elephant seals conceive next year's offspring immediately after giving birth to this year's young, but delay implantation for 4 months. Female striped mice ( Rhabdomys pumilio ) in monogamous social groups do not experience reproductive suppression, but those living in communally breeding groups with high ...