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THE BREEDING BIOLOGY OF BROAD-WINGED AND RED-SHOULDERED HAWKS IN WESTERN NEW YORK USA
Vol 23, Iss 4, Page 125, Date 1989
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ENVIRONMENTAL CONTAMINANTS IN BLOOD OF WESTERN BALD EAGLES
Vol 23, Iss 4, Page 140, Date 1989
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HAZARDS TO RAPTORS FROM STRYCHNINE POISONED GROUND SQUIRRELS
Vol 23, Iss 4, Page 147, Date 1989
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SURVEYS FOR WINTERING BIRDS OF PREY IN SOUTHEASTERN COLORADO USA 1983-1988
Vol 23, Iss 4, Page 152, Date 1989
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FOOD HABITS OF NESTING PRAIRIE FALCONS IN CAMPBELL COUNTY WYOMING USA
Vol 23, Iss 4, Page 157, Date 1989
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OBSERVATIONS ON THE EVENING DEPARTURE AND ACTIVITY OF WINTERING SHORT-EARED OWLS IN NEW JERSEY USA
Vol 23, Iss 4, Page 162, Date 1989
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SEXUAL DIFFERENCES IN TIMING OF AMERICAN KESTREL MIGRATION AT HAWK MOUNTAIN SANCTUARY PENNSYLVANIA USA
Vol 23, Iss 4, Page 167, Date 1989
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THE USE OF LINE TRANSECTS TO EVALUATE THE ABUNDANCE OF DIURNAL MAMMALIAN PREY
Vol 23, Iss 4, Page 172, Date 1989
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USE OF EXPLOSIVES TO ENHANCE A PEREGRINE FALCON EYRIE
Vol 23, Iss 4, Page 176, Date 1989
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RANGE EXTENSION OF THE BARRED OWL IN WESTERN WASHINGTON AND FIRST BREEDING RECORD ON THE OLYMPIC PENINSULA USA
Vol 23, Iss 4, Page 179, Date 1989
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PEREGRINE FALCON TAKES BLACK-BELLIED PLOVER FROM SEA OFF KENYA
Vol 23, Iss 4, Page 181, Date 1989
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NORTHERN HARRIER CIRCUS-CYANEUS PREDATION OF LESSER PRAIRIE-CHICKEN TYMPANUCHUS-PALLIDICINCTUS
Vol 23, Iss 4, Page 182, Date 1989
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AN INSTANCE OF CARRION-FEEDING BY THE PEREGRINE FALCON FALCO-PEREGRINUS
Vol 23, Iss 4, Page 184, Date 1989