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Multimale mating and absence of canine tooth dimorphism in woolly spider monkeys ( Brachyteles arachnoides )
Author(s) -
Milton Katharine
Publication year - 1985
Publication title -
american journal of physical anthropology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.146
H-Index - 119
eISSN - 1096-8644
pISSN - 0002-9483
DOI - 10.1002/ajpa.1330680407
Subject(s) - sexual dimorphism , biology , spider , zoology , mating system , mating , paternal care , australopithecus , anatomy , pregnancy , genetics , offspring
The relatively low degree of canine tooth dimorphism in Australopithecus afarensis has been used as “primary evidence” to support the concept of a mating system of monogamous pair‐bonding and male provisioning. A recent field study of woolly spider monkeys shows that these large primates, which lack canine tooth (and body size) dimorphism, are characterized by apolygynous mating system. Male parental care of infants is absent in this species. These data support the view that a lack of canine tooth dimorphism in an anthropoid species does not necessarily imply either a monogamous, pair‐bonded mating system or male parental care.