CAPTURE AND BANDING OF MIGRANT RAPTORS
äºIsrael Journal of Ecology and EvolutionSearch for other papers by WILLIAM S. CLARK in
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There are relatively few places worldwide where migrating raptors can be captured in numbers. Two such places are Cape May Point in southern New Jersey in the United States, in operation for 27 years, and Elat in southern Israel, operated for five years. Migrant raptors were captured, and numbered bands (rings) were placed on their legs. Information about migration pathways, breeding areas, and nonbreeding areas could be inferred from the recovery of these bands in other locations. To get a large enough sample of band recoveries, one must capture and band many raptor migrants. The recovery rates from Cape May Point and Elat are compared. Capture and banding as a method to study raptor migration has the advantage that researchers can get a large sample of raptors that come from a broad area, and, while handling them, can determine their age, sex, and physical condition, as well as obtain photographic documentation and samples of blood, feathers, parasites, and tissues. Records of environmental pollution, such as oil contamination, can also be obtained during handling. Deviations in age distribution and sex ratios of the captured birds in comparison to the general population are assumed to be due mainly to differences in survival and capture rates and migrational pathways.
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Bildstein K.L., Clark W.S., Evans D.L., Field M., Soucy L., Henckel E.Sex and age differences in fall migration of northern harriers J. Field Ornithol 1984 55 145 150
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Clark W.S.Migration trapping of hawks (and owls) at Cape May N.J â Third year. EBBA News 1970 33 181 189
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Clark W.S.Second record of the Kestrel (Falco tinnunculus) for North America Auk 1974a 91 172
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Clark W.S.Occurrence of Swainson's hawk substantiated in New Jersey Wilson Bull 1974b 86 284 285
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Clark W.S.Cape May Point raptor banding stationâ1974 results North Am. Bird Bander 1976 1 5 13
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Clark W.S.A modified dho-gaza trap for use at a raptor banding station J. Wildl. Manage 1981 45 1043 1044
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Clark W.S.Migration of the Merlin along the coast of New Jersey Raptor Res 1985a 19 85 94
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Clark W.S., Methods used to study raptor migration. Conservation studies on Raptors. Proc. World Conf. Birds of Prey, Thessalonika 1982, ICBP Tech. Pub. No. 5, Cambridge Newton I., Chancellor R.1985b
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Clark W.S., The migrating Sharp-shinned Hawks of Cape May Point, N.J. Proc. Hawk Conf. IV, Rochester, March 1983, Hawk Migr. Asse, of North Am Harwood M.1986
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Clark W.S.The dark morph of the marsh harrier Br. Birds 1987 80 61 72
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Clark W.S.The rufous morph of the booted eagle Dutch Birding 1989 11 57 60
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Clark W.S., Gorney E.Oil contamination of raptors migrating along the Red Sea Environ. Pollut 1987 46 307 313
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Clark W., Duffy K., Gorney E., McGrady M., Schultz C.Raptor ringing at Elat, Israel Sandgrouse 1986 7 21 28
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Clark W., Duffy K., Gorney E., McGrady M., Schultz C.Supernumerary primaries and rectrices in some Eurasian and North American raptors J. Raptor Res 1988 22 53 58
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Cooper J.E., Gorney E., Ion F., Parasitological and other studies on migrating raptors. Raptor biomedicine Redig P. et al.University of Minnesota Press Minneapolis 1993
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Gorney E., Yom-Tov Y.Fat, hydration and moult of Steppe BuzzardsButeo buteo vulpinus on spring migration Ibis 1994 136 185 192
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Henny C.J., Clark W.S.Measurements of fall migrant Peregrine Falcons from Texas and New Jersey J. Field Ornith 1982 53 326 332
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Kerlinger P.Flight strategies of migrating hawks University of Chicago Press Chicago 1989
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Kirkpatrick C.E., Lauer D.M.Hematozoa of raptors from southern New Jersey and adjacent areas J. Wildl. Dis 1985 21 1 6
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Kirkpatrick C.E., Trexler-Myren V.P.A survey of free-living falconiform birds for Salmonella J. Am Vet. Med. Assoc 1986 189 997 998
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Labinger Z., Gorney E., Parslow R.First record of ShikraAccipiter badius in Israel Sandgrouse 1991 13 46 49
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|---|---|---|---|
| æè¦æµè§æ¬¡æ° | 193 | 32 | 12 |
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| PDFä¸è½½æ¬¡æ° | 14 | 0 | 0 |
CAPTURE AND BANDING OF MIGRANT RAPTORS
äºIsrael Journal of Ecology and EvolutionSearch for other papers by WILLIAM S. CLARK in
Current site
Google Scholar
PubMed
There are relatively few places worldwide where migrating raptors can be captured in numbers. Two such places are Cape May Point in southern New Jersey in the United States, in operation for 27 years, and Elat in southern Israel, operated for five years. Migrant raptors were captured, and numbered bands (rings) were placed on their legs. Information about migration pathways, breeding areas, and nonbreeding areas could be inferred from the recovery of these bands in other locations. To get a large enough sample of band recoveries, one must capture and band many raptor migrants. The recovery rates from Cape May Point and Elat are compared. Capture and banding as a method to study raptor migration has the advantage that researchers can get a large sample of raptors that come from a broad area, and, while handling them, can determine their age, sex, and physical condition, as well as obtain photographic documentation and samples of blood, feathers, parasites, and tissues. Records of environmental pollution, such as oil contamination, can also be obtained during handling. Deviations in age distribution and sex ratios of the captured birds in comparison to the general population are assumed to be due mainly to differences in survival and capture rates and migrational pathways.
| å ¨é¨æé´ | è¿å»ä¸å¹´ | è¿å»30天 | |
|---|---|---|---|
| æè¦æµè§æ¬¡æ° | 193 | 32 | 12 |
| å ¨ææµè§æ¬¡æ° | 11 | 0 | 0 |
| PDFä¸è½½æ¬¡æ° | 14 | 0 | 0 |
