Natural Behavior

Includes play and sleep.

Beisner, B. A., Isbell, L. A. 2011. Factors affecting aggression among females in captive groups of rhesus macaques (Macaca mulatta). American Journal of Primatology 73(11), 1152-1159.

Captive groups of primates often exhibit higher rates of aggression than wild, free-ranging groups. It is important to determine which factors influence aggression in captivity because aggression, particularly intense aggression, can be harmful to animal...

Ekesbo, I. 2011. Sheep. In: Farm Animal Behavior: Characteristics for Assessment of Health and Welfare. Fraser, A. F. , Broom, D. M. (ed), 82-92. CABI, Oxfordshire, UK.

Each chapter follows a consistent pattern describing the behavioral characteristics of the species featured. Reference is made to the natural state before domestication, leading us through the various changes to the present, demonstrating along the...

Huber, H. F., Lewis, K. P. 2011. An assessment of gum-based environmental enrichment for captive gummivorous primates. Zoo Biology 30(1), 71-78.

In the wild, many primates consume gums exuded from trees, and many species are gum specialists. In spite of this, few data exist concerning gum feeding in captivity. Using a web-based survey of 46 zoos...