Photo courtesy of Chicago Zoological Society/Brookfield Zoo.
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San Diego, California 1931-1940. On October 5, 1931, two young gorillas were received by the San Diego Zoo from Martin and Osa Johnson. The Zoo believed they were Mountain Gorillas (Gorilla gorilla beringei). Based on a paper by author Don Cousins, Classification of captive gorillas (International Zoo Yearbook, Vol. 14, 1974 pp 155-159) these two males were probably Eastern lowland gorilla (G.g. graueri).
Author: Belle J. Benchley
Published Date: 1940
Characteristics of a world-class zoo or aquarium in the 21st century. At the start of the 21st century modern zoos and aquariums are expected to contribute to the survival of the species they display, to educate the public, and to maintain the physical and psychological well- being of the animals in their care.
Edited by: M. Hutchins & B. Smith
Published Date: 2003
How to Exhibit a Bullfrog: A Bed-Time Story for Zoo Men.
Written By: William G. Conway (Director, New York Zoological Society)
Published Date: 1968
The History and Evolution of the World Association of Zoos and Aquariums 1935–2012.
Authors: Laura Penn, Markus Gusset and Gerald Dick
Published Date: 2012
The NRPA and the AAZPA jointly announced on 20 September 1971 that the membership of the AAZPA voted overwhelmingly to follow an independent course of action. This development is the result of philosophy differences. Acknowledging the need for providing a new sense of identity and self respect to all citizens through leisure activities as a primary function of NRPA, the AAZPA felt obligated to further expand its involvement in the areas of conservation, science and education.
An annual assemblage of information and facts by the American Association of Zoological Parks and Aquariums.
Edited by: Will O. Doolittle (Managing Editor, Parks & Recreation)
Published Date: 1932