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PREDATORY EFFICIENCY OF AMERICAN KESTRELS WINTERING IN NORTHWESTERN CALIFORNIA
Vol 7, Iss 2, Page 25, Date 1973
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FORAGING BEHAVIOR OF OSPREYS IN NORTHWESTERN CALIFORNIA
Vol 7, Iss 2, Page 32, Date 1973
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DIFFERENTIAL HABITAT USE BY SEXES OF AMERICAN KESTRELS WINTERING IN NORTHERN CALIFORNIA
Vol 7, Iss 2, Page 39, Date 1973
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SPATIO TEMPORAL RELATIONSHIPS BETWEEN BREEDING RED TAILED HAWKS AND GREAT HORNED OWLS IN SOUTH-DAKOTA
Vol 7, Iss 2, Page 49, Date 1973
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IS HEART RATE A GOOD MEASURE OF THE ENERGY METABOLISM OF SEMI FREE LIVING KESTREL
Vol 7, Iss 2, Page 62, Date 1973
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HABITAT AND TIME UTILIZATION OF NESTING SHARP-SHINNED HAWKS A TELEMETRY STUDY
Vol 7, Iss 2, Page 63, Date 1973