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Volume 28, No. 4

Published October 1, 1997

Issue description

Volume 28, number 4 of Western Birds, published 1997

Articles

  1. FOOD ITEMS OF NATURALIZED PARROTS IN SOUTHERN CALIFORNIA

    The increasing establishment of parrots in southern California, with populations now exceeding 2,500 individuals in the greater Los Angeles area alone (Garrett 1997), suggests that the impacts of these non-native species on food resources could become substantial.

  2. NESTING BEHAVIOR OF AMAZONA PARROTS AND ROSE-RINGED PARAKEETS IN THE SAN GABRIEL VALLEY , CALIFORNIA

    Many species of parrot have established populations well away from their native ranges (Enkerlin-Hoeflich and Hogan 1997; Fisk and Crabtree 1974; Froke 1981; Garrett 1997; Hall 1988; Hardy 1964, 1973; Johnston and Garrett 1994; Morgan 1993; Neidermeyer and Hickey 1977; Shelgren et al. 1975). In Southern California, at least, several species now occur in what appear to be self-sustaining populations (Garrett 1997).