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  2. Infanticide (zoology) - Wikipedia

    en.wikipedia.org/wiki/Infanticide_(zoology)

    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 ...

  3. Infanticide in rodents - Wikipedia

    en.wikipedia.org/wiki/Infanticide_in_rodents

    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 ...

  4. Sleep in animals - Wikipedia

    en.wikipedia.org/wiki/Sleep_in_animals

    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 ...

  5. 10 animal mothers that make the ultimate sacrifice - AOL

    www.aol.com/news/2016-05-05-10-animal-mothers...

    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 ...

  6. Infanticide in primates - Wikipedia

    en.wikipedia.org/wiki/Infanticide_in_Primates

    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.

  7. What Is Deep Sleep? Understanding the 4 Sleep Cycles & Why ...

    www.aol.com/deep-sleep-understanding-4-sleep...

    This deep sleep stage makes up about 45 percent of your total sleep. Your heart rate slows and your temperature drops, promoting rest and recovery. You’ll also experience bursts of brain ...

  8. Hibernation - Wikipedia

    en.wikipedia.org/wiki/Hibernation

    Many researchers thought that their deep sleep was not comparable with true, deep hibernation, but this theory was refuted by research in 2011 on captive black bears and again in 2016 in a study on brown bears. [19] [20]

  9. 40 Times Kids Asked “Where Do Babies Come From ... - AOL

    www.aol.com/79-most-hilarious-tweets-kids...

    Teach kids about their bodies, what periods are, why we get them, how babies are made, or you, too, may find yourself scrambling to clarify the word 'smoosh' while running late for dance class."