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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. 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 ...

  4. 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.

  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. Animal euthanasia - Wikipedia

    en.wikipedia.org/wiki/Animal_euthanasia

    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.

  7. Nest-building in primates - Wikipedia

    en.wikipedia.org/wiki/Nest-building_in_primates

    The nests may be 1 to 5 feet (0.30 to 1.52 m) wide in diameter and are constructed by individuals. Young animals nest with their mother but do not construct nests until three years of age, initially in close proximity to their mother. [19] Gorilla nests are distributed randomly and the tree species used appears to be opportunistic. [2]

  8. Woman Runs Experiments to Debunk Old Wives' Tale About Cats ...

    www.aol.com/woman-runs-experiments-debunk-old...

    Your baby’s supply is safe. Though some cats do like milk, most cats are lactose intolerant by the time they are adults, and will—like these—steer clear of the substance. Or at least, regret ...

  9. 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 ...