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SCIENTIFIC RESEARCH AND THE SPOTTED OWL (STRIX OCCIDENTALIS): OPPORTUNITIES FOR MAJOR CONTRIBUTIONS TO AVIAN POPULATION ECOLOGY

AMONG ALL avian research programs, results from investigations into the ecology, behavior, life history, and demography of Spotted Owls (Strix occidentalis) may have had the single greatest effect on land-use policy in the United States. The reasons for that are simple: in general, throughout their ranges, populations of all three subspecies of Spotted Owl-Northern, California, and Mexican-require large areas associated with large, old trees, that have high economic value (Simberloff 1987, Yaffee 1994). In truth, motivation for that long-term, intensive research program has been driven as much by legal and political concerns as scientific interest. Legal concerns stem from a mandate to comply with federal environmental laws such as the National Forest Management Act and the Endangered Species Act-legislation that compels federal land management agencies to