That the human species exhibits sexual dimorphism in size, shape, and be-havior is an
obvious conclusion from anyone's simple participation in society. It is common knowledge …

The adaptive significance of midlife menopause in human females has long engaged the
attention of evolutionary anthropologists. In spite of extensive debate, the problem has only …

Current models for the evolution of polygyny and sexual dimorphism are largely derived
from data on passerine birds. These models are less appropriate for taxa such as mammals …

diversity of types of social group should refer to how the expected reproductive success of
each individual is affected by its being social. In fact, however, the analysis of primate …

Orangutans are the only great apes found outside of Africa. At present, they occur only on
the two large Sunda‐shelf islands of Sumatra and Borneo. Most researchers recognize two …

Publisher Summary Birds, in which, in the absence of lactation both sexes can play an equal
role in feeding the young, monogamous mating systems are generally desirable, such that …

Abstract" Apes of the World" is the first major and most comprehensive synthesis of results
from ecological, naturalistic, behavioral, comparative psychological and humanoid language …

Allometric scaling relationships between body weight, bone length, and cross-sectional
dimensions of the lower limb bones which measure structural strength and rigidity (area …

From finding food to choosing mates, animals must make intertemporal choices that involve
fitness benefits available at different times. Species vary dramatically in their willingness to …

Among extant great apes, orangutans are considered the most sexually dimorphic in body
size. However, the expression of sexual dimorphism in orangutans is more complex than …