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  2. Four Fs (evolution) - Wikipedia

    en.wikipedia.org/wiki/Four_Fs_(evolution)

    The list of the four activities appears to have been first introduced in the late 1950s and early 1960s in articles by psychologist Karl H. Pribram, with the fourth entry in the list being known by terms such as "sex" [2]: 11, 13 or occasionally "fornicating", [3]: 155 although he himself did not use the term "four Fs".

  3. Instinct - Wikipedia

    en.wikipedia.org/wiki/Instinct

    Instinct is the inherent inclination of a living organism towards a particular complex behaviour, containing innate (inborn) elements.The simplest example of an instinctive behaviour is a fixed action pattern (FAP), in which a very short to medium length sequence of actions, without variation, are carried out in response to a corresponding clearly defined stimulus.

  4. Lists of animals - Wikipedia

    en.wikipedia.org/wiki/Lists_of_animals

    Over 1.5 million living animal species have been described—of which around 1 million are insects—but it has been estimated there are over 7 million in total. Animals range in size from 8.5 millionths of a metre to 33.6 metres (110 ft) long and have complex interactions with each other and their environments, forming intricate food webs .

  5. Animal instinct - Wikipedia

    en.wikipedia.org/wiki/Animal_instinct

    Animal instinct(s) may also refer to: Music. Animal Instinct (Tygers of Pan Tang album), 2008; Animal Instinct (Gary Hoey album), 1993 "Animal Instinct" (Annemarie ...

  6. Species-typical behavior - Wikipedia

    en.wikipedia.org/wiki/Species-typical_behavior

    The female fruit bat performs fellatio on a male fruit bat during copulation to increase overall copulation time. Although fellatio is a common human foreplay activity, it is less common among non-human animal species. At this point, it is unclear exactly what neurological forces motivate fruit bats to engage in fellatio during sex, although ...

  7. Maternal behavior in vertebrates - Wikipedia

    en.wikipedia.org/wiki/Maternal_behavior_in...

    Vertebrate maternal behavior is a form of parental care that is specifically given to young animals by their mother in order to ensure the survival of the young. [1] Parental care is a form of altruism, which means that the behaviors involved often require a sacrifice that could put their own survival at risk. [1]

  8. Display (zoology) - Wikipedia

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

    Communication is important for animals throughout the animal kingdom. For example, since female praying mantids are sexually cannibalistic, the male typically uses a cryptic form of display. [2] This is a series of creeping movements executed by the male as it approaches the female, with freezing whenever the female looks towards the male.

  9. Animal cognition - Wikipedia

    en.wikipedia.org/wiki/Animal_cognition

    Animal ability to process and respond to stimuli is correlated with brain size. Small-brain animals tend to show simple behaviors that are less dependent on learning than those of large-brained animals. Vertebrates, particularly mammals, have larger brains and complex behavior that changes with experience.