Balon, E. K., and M. N. Bruton. 1986. "Introduction of alien species or why scientific advice is not heeded," Environmental Biology of Fishes 16:225-320. Biologists warned that introduction of Nile perch into Lake Victoria might be disastrous. It was.

Barker, Rocky. 1993. Saving All the Parts: Reconciling Economics and the Endangered Species Act. Covelo, CA: Island Press. A good discussion of the economics of endangered species protection.

Bass, R. (September/October) 1993. "Grizzlies: Are They Out There?" Audubon 95, no. 5:66. Searching for elusive grizzlies in the San Juan Mountains of southern Colorado with the legendary Doug Peacock.

Carr, R. A., et al. 1993. "Rainforest Entrepreneurs: Cashing In On Conservation," Environment 35 no. 7:12. Tagua nut marketing, ecotourism, and pharmaceutical prospecting are helping preserve both endangered species and indigenous cultures.

Derr, M. (March/April) 1992. "Raiders of the Reef," Audubon 94 no. 2:48. Aquarists bring pieces of the world's coral reefs into their homes but are destroying the resource.

Leopold, A. 1933. Game Management. New York: Scribner's. The first textbook of wildlife management published in America. A still useful classic by one of America's greatest naturalists.

Lynn, W. S. 1994. "Zoos," Environmental Encyclopedia. W. Cunningham, et al., eds. Detroit, MI: Gale Research. A concise summary of the history, philosophy, and operation of zoos.

Mann, C. C., and M. L. Plummer. (January) 1992. "The Butterfly Problem," Atlantic Monthly p. 47. A comprehensive discussion of endangered species protection from an anthropocentric perspective.

Mares, M. A. (February) 1992. "Neotropical Mammals and the Myth of Amazonian Biodiversity," Science 255:967. Argues that while trees and insects are abundant in the Amazon, for some taxa deserts or grasslands have greater biodiversity.

May, R. M. (October) 1992. "How Many Species Inhabit the Earth?" Scientific American 267 no. 4:42. A thoughtful discussion of biodiversity and the problem of species identification.

Peters, R. L., ed. 1991. Consequences of the Greenhouse Effect for Biological Diversity. New Haven: Yale University Press. A comprehensive series of articles linking two of the most important environmental problems of our day.

Radetsky, P. (July) 1993. "Back to Nature," Discover 15 no. 1:34. Discusses the difficulty of reintroducing captive-bred animals back into the wild.

Rauber, P. (January/February) 1992. "Last Refuge," Sierra 77 no. 1:36 Environmentalists campaign to save the Arctic coastal plain from oil drilling-while on site the reporter considers what to do when the bear comes but the plane doesn't.

Tattersall, I. (January) 1993. "Madagascar's Lemurs," Scientific American 268(1):110. The lemur's diverse Madagascaran habitats are disappearing fast and so are they. Unless hunting and deforestation cease all may be lost.

Wille, C. (January/February) 1993. "Riches from the Rainforest," Nature Conservancy Annual Report 43 no. 1:10. Describes how "barefoot parataxonomists" are searching for "green gold" in Costa Rica.

Wilson, E. O. 1992. The Diversity of Life. Cambridge, MA: Harvard University Press. A fascinating description of biodiversity by one of the world's leading field biologists.