The new field of microbiome research studies the microbes within multicellular hosts and the
many effects of these microbes on the host's health and well-being. We now know that …

This article is part of a Special Issue (“Estradiol and cognition”). Estrogens have repeatedly
been shown to influence a wide array of social behaviors, which in rodents are …

Research on mate choice has primarily focused on preferences for quality indicators,
assuming that all individuals show consensus about who is the most attractive. However, in …

Both natural animal populations and those in captivity are subject to evolutionary forces.
Evolutionary changes to captive populations may be an important, but poorly understood …

Disgust can be thought of as an affective system that has evolved to detect signs of
pathogens, parasite and toxins as well as to stimulate behaviors that reduce the risk of their …

The acquisition and use of social information are integral to social behaviour and
parasite/pathogen avoidance. This involves social cognition which encompasses …

Many breeding programs managed by the Association of Zoos and Aquariums'(AZA)
Species Survival Plans®(SSPs) are not meeting goals for population size and genetic …

Social and sexual behaviors, including that of mate choice, are dependent on social
information. Mate choice can be modified by prior and ongoing social factors and …

In many species, females and males form long‐term mating bonds, but marriage—and
especially arranged marriage—are uniquely human traits. While marriage practices impact …

Mate preferences probably evolved to increase fitness; however, studies using arranged
and non-arranged marriage as proxies for limited and free mate choice (respectively) do not …