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Results:  612 records | 1 - 100 | abundance [Keywords]     Sort: AuthorDate Source Page>           Aborn, D. A. 1994. Correlation between raptor and songbird numbers at a migratory stopover site. Wilson Bulletin 106:150-154.      View           ACINER. 1979. [First data on the Common Buzzard (Buteo buteo) in Alsace]. Ciconia 3:146-167.      View           Adamian, M. S., and D. Klem, Jr. 1999. Handbook of the birds of Armenia. American University of Armenia, Oakland, CA.      View           Aghababyan, K., and S. Tumanyan. 2008. On the breeding peregrines Falco peregrinus brookei in some regions of Armenia. Pages 99-108 in Peregrine Falcon populations -- status and perspectives in the 21st century (J. Sielicki, and T. Mizera, Eds.). Turul Publishing and Poznan University of Life Sciences Press, Warsaw, Poland.      View           Alava, J. J., X. Arosemena, E. Astudillo, M. Costantino, M. Peñalver, and C. Boborquez. 2007. Occurrence, abundance and notes on some threatened Ecuadorian birds in the El Canclón Lagoon, Manglares, Churute Ecological Reserve. Ornitologia Neotropical 18:223-232.      View           Allan, P. F., and P. R. Sime. 1943. A hawk census on Texas Panhandle highways. Wilson Bulletin 55:29-39.      View           Allen, G. T., R. L. Knight, and M. V. Stalmaster. 1980. An annotated bibliography of Bald and Golden Eagles in Washington. Washington Department of Game, Olympia, WA.      View           Alonso, J. M., and A. L. R. Virgolini. 2008. Avifauna del Parque Nacional Pre-Delta, Entre Rios, Argentina. Cotinga 29:126-134.      View           Andersen, D. E., O. J. Rongstad, and W. R. Mytton. 1985. Line transect analysis of raptor abundance along roads. Wildlife Society Bulletin 13:533-539.      View           Angehr, G. R., B. K. Schmidt, F. Njie, and C. Gebhard. 2005. Significant records and annotated site lists from bird surveys in the Gamba Complex, Gabon. Malimbus 27:53-76.      View           Anon. 2006. [Peculiarities of the territorial distribution and number of the Peregrine Falcon in Kan River basin]. Pages 128-129 in Ornithological studies in Northern Eurasia. Abstracts of XII International Ornithological Conference of Northern Eurasia (E. N. Kurochkin, Ed.). Stavropol University Press, Stavropol.      View           Aradis, A., and G. M. Carpaneto. 2001. A survey of raptors on Rhodes: an example of human impacts on raptor abundance and distribution. Journal of Raptor Research 35:70-71.      View           Arnason, A. N., C. J. Schwarz, and J. M. Gerrard. 1991. Estimating closed population size and number of marked animals from sighting data. Journal of Wildlife Management 55:716-730.      View           Ash, J. S. 1960. Bird of prey numbers on a Hampshire game-preserve during 1952-1959. British Birds 53:285-300.      View           Aversa, T. 2007. Bird observations from Dabola Prefecture, Guinea. Bulletin of the African Bird Club 14:45-54.      View           Azpiroz, A. B. 2006. [Birds of Uruguay: list and introductión to their biology and conservación]. Aves Uruguay, Montevideo, Uruguay.      View           Babushkin, M. V. 2006. [Population and changes of birds of prey number in Cherepovets and vicinity]. Pages 56-57 in Ornithological studies in Northern Eurasia. Abstracts of XII International Ornithological Conference of Northern Eurasia (E. N. Kurochkin, Ed.). Stavropol University Press, Stavropol.      View           Bailey, E. P. 1977. Distribution and abundance of marine birds and mammals along the south side of the Kenai Peninsula, Alaska. Murrelet 58:58-72.      View           Bailey, E. P., and N. H. Faust. 1981. Summer distribution and abundance of marine birds and mammals between Mitrofania and Sutwik Islands south of the Alaska Peninsula. Murrelet 62:34-42.      View           Bailey, E. P., and N. H. Faust. 1980. Summer distributiun and abundance of marine birds and mammals in the Sandman Reefs, Alaska. Murrelet 61:6-19.      View           Baillon, F., and J. P. Cormier. 1993. [Variation in abundance of Circus pygargus (L.) in some sites of Senegal between winters 1988-1989 and 1989-1990]. Oiseau et la Revue Française d'Ornithologie 63:66-70.      View           Bair, J., L. Neel, D. E. Mcivor, and S. Abele. 2006. The Nevada wildlife action plan - a blueprint for conservation of Nevada's wildlife diversity. Great Basin Birds 8:45-50.      View           Baker-Gabb, D. J. 1983. The breeding ecology of twelve species of diurnal raptor in north-western Victoria. Australian Wildlife Research 10:145-160.      View           Bakker, K. K. 2003. A compilation and synthesis of avian research completed in South Dakota. South Dakota Department of Game, Fish and Parks, Pierre, SD.      View           Balcerzak, M. J., and P. B. Wood. 2003. Red-shouldered Hawk (Buteo lineatus) abundance and habitat in a reclaimed mine landscape. Journal of Raptor Research 37:188-197.      View           Balcerzak, M. J. 2001. Raptor abundance and diversity and Red-shouldered Hawk (Buteo lineatus) habitat characteristics on reclaimed mountaintop mines in southern West Virginia. M.Sc. thesis, West Virginia University, Morgantown, WV.      View           Barea, L. P. 1995. Habitat use, diet, and nest site selection of forest-dwelling New Zealand Falcons. M.Sc. thesis, University of Waikato, Hamilton, New Zealand.      View           Barkhuysen, A. 2004. Raptor abundance on three road counts in the Eastern Cape. Gabar 15:31-33.      View           Barrett, G. W., D. Freudenberger, A. Drew, J. Stol, A. O. Nicholls, and E. M. Cawsey. 2008. Colonisation of native tree and shrub plantings by woodland birds in an agricultural landscape. Wildlife Research 35:19-32.      View           Becker, C. D., and B. López Lanús. 1997. Conservation value of a Garua forest in the dry season: a bird survey in Reserva Ecológica de Loma Alta, Ecuador. Cotinga 8:66-74.      View           Beier, P., and J. E. Drennan. 1997. Forest structure and prey abundance in foraging areas of Northern Goshawks. Ecological Applications 7:564-571.      View           Beier, P., M. Van Drielen, and B. O. Kankam. 2002. Avifaunal collapse in West African forest fragments. Conservation Biology 16:1097-1111.      View           Bellati, J. 2000. [Behavior and relative abundance of the raptors of the Andean foothills of Argentina]. Ornitologia Neotropical 11:207-222.      View           Bennetts, R. E., P. C. Darby, and L. B. Karunaratne. 2006. Foraging patch selection by Snail Kites in response to vegetation structure and prey abundance and availability. Waterbirds 29:88-94.      View           Benson, C. W. 1960. The birds of the Comoro Islands: results of the British Ornithologists' Union Centenary Expedition 1958. Ibis 103b:5-106.      View           Benson, P. C. 1997. Status of vultures in the Northern Province, South Africa. Pages 21-29 in Vultures in the 21st century: proceedings of a workshop on vulture research and conservation in southern Africa (A. F. Boshoff, M. D. Anderson, and W. D. Borello, Eds.). Vulture Study Group, Johannesburg, South Africa.      View           Berdan, D. 1976. Autecology and predatory behavior of a male kestrel wintering in northern California. M.Sc. thesis, Humboldt State, Arcata, CA.      View           Berezovikov, N. N., and E. S. Zinchenko. 1988. [Towards the biology of the hobby Falco subbuteo in the mountain forest part of the southern Altai]. Pages 70-75 in [Ecology and behavior of birds] (V. D. Il'ichev, Ed.). Nauka, Moscow.      View           Bergman, G. 1977. Birds of prey: the situation in Finland. Pages 96-103 in World Conference on Birds of Prey: report of proceedings, Vienna 1975 (R. D. Chancellor, Ed.). International Council for Bird Preservation, London.      View           Berry, M. E., C. E. Bock, and S. L. Haire. 1998. Abundance of diurnal raptors on open space grasslands in an urbanized landscape. Condor 100:601-608.      View           Bezzel, E. 2002. [Hundred years of recording breeding birds in Bavaria: interpretation of annual ornithological reports from 1897 to 1908]. Ökologie der Vögel 24:97-114.      View           Biadun, W. 2005. Winter avifauna of Lublin - species composition, distribution and numbers. Berkut 14:1-23.      View           Biggs, H. C., R. Biggs, and C. F. Clinning. 1984. (Abstract) Raptor densities during a period of declining rainfall. Page 108 in Proceedings of the Second Symposium on African Predatory Birds (Anon., Ed.).      View           Bildstein, K. L., M. J. Bechard, P. Porras, and E. Campos. 2006. (Abstract) Seasonal abundances and distributions of Black (Coragyps atratus) and Turkey (Cathartes aura) Vultures in Costa Rica and Panama: evidence for reciprocal migration in the Neotropics. Page 11 in II Neotropical Raptor Conference, Iguazú, Argentina, 11-14 June 2006 (Anonymous,).      View           Bildstein, K. L. 1976. Behavior of wintering Northern Harriers (Circus cyaneus hudsonius) and other raptorial birds at communal roosts in south central Ohio. M.Sc. thesis, Ohio State University, Columbus, OH.      View           Binford, L. C. 1979. Fall migration of diurnal raptors at Pt. Diablo, California. Western Birds 10:1-16.      View           Binford, L. C. 1980. Fall migration of diurnal raptors at Pt. Diablo, California. Journal of the Hawk Migration Association of North America 2:43-53.      View           Bjorklund, J. 1992. Trends in abundance of overwintering Bald Eagles along Upper Skagit River, Washington, (1982-92). North Cascades National Park Service, Sedro Woolley, WA.      View           Blamires, D., J. A. F. Diniz Filho, C. E. Ramos de Sant'Ana, and A. B. Valgas. 2002. [Abundance and body size relationship in a bird community from central Brazil]. Ararajuba 10:1-14.      View           Blanco, G. 1994. Seasonal abundance of Black Kites associated with the rubbish dump of Madrid, Spain. Journal of Raptor Research 28:242-245.      View           Blem, C. R. 1995. Winter abundance of vultures in Virginia 1965-1993. Raven 66:83-86.      View           Blendinger, P. G., P. Capllonch, and M. E. Alvarez. 2004. Abundance and distribution of raptors in the Sierra de San Javier Biological Park, northwestern Argentina. Ornitologia Neotropical 15:501-512.      View           Bloxton, T. D., Jr. 2002. Prey abundance, space use, demography, and foraging habitat of Northern Goshawks in western Washington. M.Sc. thesis, University of Washington, Seattle, WA.      View           Boersma, P. D. 1977. An ecological and behavioral study of the Galapagos Penguin. Living Bird 15:43-93.      View           Bohall-Wood, P., and M. W. Collopy. 1986. Abundance and habitat selection of two American Kestrel subspecies in north-central Florida. Auk 103:557-563.      View           Bohall, P. G., and M. W. Collopy. 1984. Seasonal abundance, habitat use, and perch sites of four raptor species in north-central Florida. Journal of Field Ornithology 55:181-189.      View           Bohall, P. G. 1984. Habitat selection, seasonal abundance, and foraging ecology of American Kestrel subspecies in north Florida. M.Sc. thesis, University of Florida, Gainesville, FL.      View           Bolander, G. L., and J. R. Arnold. 1965. An abundance of White-tailed Kites in Sonoma County, California. Condor 67:446.      View           Bordjan, D., and L. Bozic. 2009. [Waterbirds and raptors occurring in the area of Medvedce reservoir (Dravsko polje, NE Slovenia) during the 2002-2008 period]. Sylvia 30:55-163.      View           Borello, W. 1987. Vulture distribution in Botswana. Babbler 13:11-25.      View           Borodin, O. V., and S. L. Smirnova. 2006. [Monitoring of the local concentration of the breeding Imperial Eagles in the south of Middle Volga River area]. Pages 86-87 in Ornithological studies in Northern Eurasia. Abstracts of XII International Ornithological Conference of Northern Eurasia (E. N. Kurochkin, Ed.). Stavropol University Press, Stavropol.      View           Boshoff, A. F., and N. G. Palmer. 1988. Notes on the abundance, breeding and prey of Fish Eagles in the southern Cape Province. Bontebok 6:20-25.      View           Bowden, D. C., G. C. White, and J. L. Ganey. 2003. Estimating population size with correlated sampling unit estimates. Journal of Wildlife Management 67:1-10.      View           Bowman, T. D., P. F. Schempf, and J. I. Hodges. 1997. Bald Eagle population in Prince William Sound after the Exxon Valdez oil spill. Journal of Wildlife Management 61:962-967.      View           Bradford, C., and F. Cassirer. 1994. Raptor survey of the Lower Salmon and Snake Rivers. Idaho Bureau of Land Management Technical Bulletin 94-3:1-21.      View           Braillon, B. 1982. [The Egyptian Vulture of the French Pyrenees]. Acta Biologica Montana 1:303-311.      View           Brickhill, J. 1993. Abundance of raptors in the Riverina, 1978-1987. Pages 262-272 in Australian raptor studies (P. Olsen, Ed.). Australasian Raptor Association, Royal Australasian Ornithologists Union, Moonee Ponds, Victoria, Australia.      View           Brickhill, J. 1993. Abundance of raptors in the Riverina, 1978-1987. Pages 262-272 in Australian raptor studies (P. Olsen, Ed.). Australiasian Raptor Association, Moonee Ponds, Victoria, Australia.      View           Brooks, A. 1922. Notes on the abundance and habits of the Bald Eagle in British Columbia. Auk 39:556-559.      View           Brown, B. T. 1991. Abundance, distribution, and ecology of nesting Peregrine Falcons in Grand Canyon National Park, Arizona. SWCA, Inc., Environmental Consultants, Flagstaff, AZ.      View           Brown, B. T., S. W. Carothers, S. W. Hoffman, and R. L. Glinski. 1990. Abundance of Peregrine Falcons in Grand Canyon National Park has implications for regionwide recovery. Park Service 10:7.      View           Brown, B. T., and L. E. Stevens. 1992. Winter abundance, age structure, and distribution of Bald Eagles along the Colorado River, Arizona. Southwestern Naturalist 37:404-408.      View           Brown, B. T., R. Mesta, L. E. Stevens, and J. Weisheit. 1989. Changes in winter distribution of Bald Eagles along the Colorado River in Grand Canyon, Arizona. Journal of Raptor Research 23:110-113.      View           Brown, L. H. 1977. The status of, and threats to, diurnal and nocturnal birds of prey in East Africa and Ethiopia. Pages 15-28 in World Conference on Birds of Prey: report of proceedings, Vienna 1975 (R. D. Chancellor, Ed.). International Council for Bird Preservation, London.      View           Buchanan, J. B. 2009. Change in the winter occurrence of Merlins at a western Washington estuary following recovery of Peregrine Falcon populations. Journal of Raptor Research 43:149-151.      View           Buehler, D. A., T. J. Mersmann, and J. D. Fraser. 1987. (Abstract) The effect of migration on Chesapeake Bald Eagle distribution and abundance. Page 32 in Annual meeting of the Raptor Research Foundation, Inc. Raptor Research Foundation, Inc, Boise, Idaho. (Anon., Ed.). Raptor Research Foundation, Boise, ID.      View           Buehler, D. A. 1990. Bald Eagle distribution, abundance, roost use and response to human activity on the northern Chesapeake Bay, Maryland. Ph.D. dissertation, Virginia Polytechnic Institute and State University, Blacksburg , VA.      View           Buehler, D. A., and J. D. Fraser. 1987. Bald Eagle movements, distribution, and abundance on the northern Chesapeake Bay. Virginia Polytechnic Institute and State University, Department of Fisheries and Wildlife Sciences, Blacksburg, Virgina.      View           Bull, E. L. 1981. Indirect estimates of abundance of birds. Studies in Avian Biology 6:76-80.      View           Bustamante, J. 1997. Predictive models for Lesser Kestrel Falco naumanni distribution, abundance and extinction in southern Spain. Biological Conservation 80:153-160.      View           Cade, T. J. 1994. The status of the peregrine (distribution and abundance in North America). Pages 77-89 in North American falcons and hunting hawks (F. L. Beebe, and H. M. Webster, Eds.). North American Falconry and Hunting Hawks, Denver, CO.      View           Canavelli, S., N. Calamari, and M. E. Zaccagnini. 2006. (Abstract) Abundance and distribution of raptors in east-central Argentina. Pages 40-41 in II Neotropical Raptor Conference, Iguazú, Argentina, 11-14 June 2006 (Anonymous,).      View           Canavelli, S., N. Calamari, and M. E. Zaccagnini. 2007. (Abstract) Abundance and distribution of raptors in east-central Argentina. Page 271 in Neotropical raptors (K. L. Bildstein, D. R. Barber, and A. Zimmerman, Eds.). Hawk Mountain Sanctuary, Orwigsburg, PA.      View           Canavelli, S. B. 2000. Abundance, movement and habitat use of Swainson's Hawks on their wintering grounds, Argentina. M.Sc. thesis, University of Florida, Gainesville, FL.      View           Carlisle, J. D., H. S. Hoff, and P. M. Mabee. 2004. Breeding bird inventory of Spirit Mound Historic Prairie in Clay County -- an area being restored to tallgrass prairie. South Dakota Bird Notes 56:32-37.      View           Carlisle, J. D., S. L. Stock, and D. L. Swanson. 2004. Habitat associations, relative abundance, and species richness of autumn landbird migrants in southwestern Idaho. Condor 106:549-566.      View           Carlon, J., and J.-L. Dunoguiez. 1990. [Eco-ethological observations on the reproduction with an altitudinal record of the Griffon Vulture Gyps fulvus in the Palearctic Occidental, on the northern slopes of the Pyrenées]. Oiseau et la Revue Française d'Ornithologie 60:243-248.      View           Carmona, R., G. Ruiz-Campos, J. A. Castillo-Guerrero, and G. Brabata. 2005. Patterns of occurence and abundance of land birds on Espíritu Santo Island, Gulf of California, México. Southwestern Naturalist 50:440-447.      View           Carrete, M., J. L. Tella, G. Blanco, and M. Bertellotti. 2009. Effects of habitat degradation on the abundance, richness and diversity of raptors across Neotropical biomes. Biological Conservation 142:2002-2011.      View           Carrillo, J., and G. Delgado. 1996. [Distribution patterns and the relative abundance of the kestrel Falco tinunnculus dacotiae (Hartert, 1913) in the Canary Islands]. Pages 471-476 in Biology and conservation of Mediterranean raptors, 1994 (J. Muntaner, and J. Mayol, Eds.). SEO BirdLife, Madrid, Spain.      View           Carvalho FIlho, E. P. M., G. Zorzin, and M. Canuto. 2007. (Abstract) Abundance of diurnal birds of prey in Rio Doce State Park, Minas Gerais, southeastern Brazil. Pages 276-277 in Neotropical raptors (K. L. Bildstein, D. R. Barber, and A. Zimmerman, Eds.). Hawk Mountain Sanctuary, Orwigsburg, PA.      View           Carvalho, E. P. M., G. Zorzin, and M. Canuto. 2006. (Abstract) Abundance of diurnal birds of prey in Rio Doce State Park, Minas Gerais, southeastern Brazil. Page 42 in II Neotropical Raptor Conference, Iguazú, Argentina, 11-14 June 2006 (Anonymous,).      View           Castelijns, H. 2003. [Wintering Eurasian Kestrels Falco tinnunculus and Common Buzzards Buteo buteo in Central Zeeuws-Vlaanderen: methods and numbers]. De Takkeling 11:120-125.      View           Castellanos, A. 1983. [Observations on the distribution, abundance and productivity of the Osprey in the Laguna Ojo de Liebre-Guerrero Negro, B.C.S., México]. Pages 98-103 in [La fauna y su medio ambiente] (Anonymous,). U.S. Department of Agriculture Forest Service, Washington, D.C.      View           Castillo-Guerrero, J. A., and R. Carmona. 2001. [Distribution of aquatic birds and raptors in a freshwater artificial pond of Baja California Sur, Mexico]. Revista de Biologia Tropical 49:1131-1142.      View           Catellanos Vera, A. 1983. Observations on the distribution, abundance, and productivity of the Osprey in the Ojo de Liebre - Guerrero Negro Lagoon, B.C.S., Mexico. U.S.Department of Agriculture, Forest Service, General Technical Report 36:88-92.      View           Ceballos, O., and J. A. Donazar. 1990. Roost tree characteristics, food habits and seasonal abundance of roosting Egyptian Vultures in northern Spain. Journal of Raptor Research 24:19-25.      View           Chalfoun, A. D., M. J. Ratnaswamy, and F. R. Thompson, III. 2002. Songbird nest predators in forest-pasture edge and forest interior in a fragmented landscape. Ecological Applications 12:858-867.      View           Chamberlain, D. E., R. J. Fuller, R. G. H. Bunce, J. C. Duckworth, and M. Shrubb. 2000. Changes in the abundance of farmland birds in relation to the timing of agricultural intensification in England and Wales. Journal of Applied Ecology 37:771-788.      View           Chamberlain, D. E., and R. J. Fuller. 2001. Contrasting patterns of change in the distribution and abundance of farmland birds in relation to farming system in lowland Britain. Global Ecology and Biogeography 10:399-409.      View

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