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The author uses letters, journals, and travel accounts to show the early attitudes toward the uses of indigenous birds and mammals of Texas. Surviving on nature's bounty and remorselessly exterminating her threats--wolves, cougars, and other wily critters--settlers exploited Texas' pristine fecundity. Some species benefited from disturbed environments; others were unable to adjust to human presence and disappeared. By the 1880s concern about the diminishing numbers of many preferred species led to enactment of game laws and other efforts to protect and manage wildlife. Today, the author argues, habitat change is the most pressing issue confronting conservationists.