2005: Mate guarding, male attractiveness, and paternity under social monogamy
Both teams investigated the evolution of social monogamy, which researchers define as males and females living in breeding pairs.
Social monogamy is normal for birds but rare in mammals.
Instead, Clutton-Brock and Lukas found that in nearly every case, solitary females came before social monogamy
Beyond this central claim, perhaps the most notable aspect of the book is the distinction the authors make between the concepts of "sexual monogamy" on the one hand and "social monogamy
" on the other.
is rare in mammals, though it is typical of canids.
In 1981, he proposed that they were descendants of a new kind of primate built for what he calls social monogamy. A.
SIMULATING SEXES Ten years after Lovejoy set forth the idea of social monogamy among australopithecines, evidence continued to pile up supporting a substantial size difference between males and females.