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A Review of Migratory Bird Flyways and Priorities for Management - TS No. 27
… travel on the same route each season (www.npwrc.usgs.gov/ resource/birds/migratio/patterns.htm downloaded 16 March … differences between some populations, analysis of genetic differences, ringing/banding results, study of … incl.oil Invasive species incl. disease Logging & wood / plant harvesting Hunting & trapping Agriculture & aquaculture …