Birds And Migration
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Details the patterns, types, causes, schedules and the four major American routes of bird migrations, and shows how increasing urbanization, storms and other natural changes are seriously affecting the nesting, feeding and migratory patterns of the birds, individually and in flocks.
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- 16mm Filmography (legacy record) — title, year, creator, length, format, description, catalog record
Original permalink · Record added 2024-04-22 16:37:06