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Monogamy is defined as a pair bond between two adult animals of the same species. This pair may cohabitate in an area or territory for some duration of time, and in some cases may copulate and reproduce with only each other. Monogamy may either be short-term, lasting one to a few seasons or long-term, lasting many seasons and in extreme cases ...
In biology, a pair bond is the strong affinity that develops in some species between a mating pair, often leading to the production and rearing of young and potentially a lifelong bond. Pair-bonding is a term coined in the 1940s [ 1 ] that is frequently used in sociobiology and evolutionary biology circles.
Not all socially monogamous species exhibit pair bonding, but all pair bonding animals practice social monogamy. These characteristics aid in identifying a species as being socially monogamous. At the biological level, social monogamy affects the neurobiology of the organism through hormone pathways such as vasopressin and oxytocin. [13]
Though strict monogamy is rare in nature, some primate bonded pairs demonstrate monogamous (or partially monogamous) mating systems. [8] In some monogamous pair-bonded species there have been observations of extra-pair copulations, wherein a male or female member and a partner of the opposite sex, other than the so-called mate, have been ...
Night monkeys are socially monogamous—they form a bond and mate with one partner. They live in small groups consisting of a pair of reproductive adults, one infant and one to two juveniles. [ 31 ] These species exhibit mate guarding, a practice in which the male individual will protect the female he is bonded to and prevent other conspecifics ...
In both of these species, males and females are monogamous, pair-bonded, and exhibit bi-parental care for their offspring. [25] [42] [24] The social group in both these species consists of female and male parents along with their offspring. [43] [24] Males in these species serve as the primary caregivers and play a major role in infant survival ...
In a monogamous relationship, the two people in it are pair-bonded to just one another, and any romantic or sexual interaction with someone(s) else would be considered cheating.
Unlike most of the great apes, gibbons frequently form long-term pair bonds. Their primary mode of locomotion, brachiation, involves swinging from branch to branch for distances up to 15 m (50 ft), at speeds as fast as 55 km/h (34 mph). They can also make leaps up to 8 m (26 ft), and walk bipedally with their arms raised for balance.