Adult NonFiction > Sports & Hobbies

Ornithologist describes the migratory, breeding, and wintering patterns of American songbirds such as blackbirds, crows, finches, jays, swallows, thrushes, warblers, and wrens, during each of the four seasons. Discusses researchers' efforts to understand the birds' movements, behaviors, and navigation methods and examines conservation issues and threats from human development.