Second nature
Subtitle: environmental enrichment for captive animals
By: edited by David J. Shepherdson, Jill D. Mellen, and Michael Hutchins.
Contributors: Shepherdson, David J.; Mellen, Jill D.; Hutchins, Michael.; Conference on Environmental Enrichment (1st : 1993 : Metro Washington Park Zoo, Portland, Or.)
Series: Zoo and aquarium biology and conservation series
Publisher: Smithsonian Institution Press
Published: 1998
Place of publication: Washington
Language: eng
Number of pages: 350
Subjects: Captive wild animals -- Congresses.; Environmental enrichment (Animal culture) -- Congresses.
Notes: Includes bibliographical references and index.
An outcome of the First Conference on Environmental Enrichment held at the Metro Washington Park Zoo, Portland, Or., July 16-20, 1993.