An examination of various foraging components and their suitability as enrichment tools for captively housed primates (1988)

Beckley, S., Novak, M.

Abstract

Vertically mounted foraging racks are described. Feeding enrichment devices were developed in tested. Vertically mounted foraging racks are beneficial because they increased locomotion, decreased hoarding, and appeared to increase the [group-housed] animals' interest in the feeding task.