(Excerpted from Clinical Avian Medicine, Harrison and Harrison, W.B. Saunders, 1986.)
(Excerpted from Plant Poisonings in Zoos in North America, Fowler, Zoo and Wild Animal Medicine 4, 1999.)
This is not an exhaustive list of trees or shrubs that may be used freely in zoo landscaping, but provides a foundation upon which to build.
Many of the trees and shrubs in this group may be used for browse; however not all are equally palatable.