Use of oaks by neotropical migratory birds in the Southwest
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The authors recorded 98 species of neotropical migratory birds in vegetation types containing oaks in SE Arizona and S California. Neotropical migrants used these areas as breeding and migration habitat. Within Arizona, bird assemblages were most similar between mixed-conifer forest and pine-oak woodland. Use of oaks for foraging ranged from 17.4-73.7% of the foraging attempts for the nine species studied. -from Authors