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A Review of Migratory Bird Flyways and Priorities for Management - TS No. 27
… oil production facilities. Added to this is mortality from chemical residues and heavy metals, and the accidental … landscape. However, where suitable habitat areas are more restricted and are widely spaced, the corridors of flight … are not faring so well with at least 39% of the U.S. birds restricted to ocean habitats declining and dramatic declines …