Today, we see a growing concern for the quality of life of nonhuman animals and an
accompanying call for viable means of assessing how well animals thrive. Past research …

Activity budget comparisons between groups or individuals in the wild and those in captivity
are commonly used to determine the range of wild-type behaviors that nonhuman animals in …

Positive welfare and related terms such as good welfare, happiness, and a good life are
increasingly used in the animal welfare science literature. Overall, they highlight the welfare …

Animal welfare is a growing public concern that has the potential to undermine the social
license of zoos and aquariums. The lack of consensus on how animal welfare is defined …

We studied personality, subjective well-being, and hair cortisol level, in common marmosets
Callithrix jacchus, a small, cooperatively breeding New World monkey, by examining their …

Given their backgrounds in classical ethology and in comparative psychology, researchers
who study animal personality in biology and psychology, respectively, differ in how they …

Like most species, primates display stable individual differences in their behavior,
perceptions, cognition, and emotions. In this chapter, we examine the relationship between …

Facilities housing captive animals are full of staff who, every day, interact with the animals
under their care. The expertise and familiarity of staff can be used to monitor animal welfare …

Studies of primate personality have become increasingly common over the past three
decades. Recently, studies have begun to focus on the health, welfare and conservation …

Personality in animals has been extensively researched in recent decades. Temporal
consistency of behaviors is almost always part of the personality definition and is usually …