레포트 (2)
Rice1982). Laboratory experiments indicated that the directional hearingof the harrier was substantially better than that of a sample oftypical diurnal raptors and similar to that of owls capable ofcapturing prey in total darkness. Angular resolution along thehorizontal axis was 2 degrees for the harriers, 1-2 degrees for theowls, and 8-12 degrees for the sample of typical diurnal raptors.
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WATERBIRD CONSERVATION STRATEGY ; 1996∼2000, Nan Oates.6. Lethier H., (1993), Towards the Wise Use of Wetlands, Ramsar Convention Bureau.7. UK Nature Conservance Council, (1979), Saltmarshes, Countryside & Wildlife Series.8. UK Nature Conservance Council, (1983), Fens, Countryside & Wildlife Series.9. UK Nature Conservance Council, (1983), The conservation of Fens & Marshes, Countryside & W
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