The World Working Group on Birds of Prey and Owls
raptor research The World Working Group on Birds of Prey and Owls Welcome Conference proceedings Conservation Studies on Raptors (1985) Birds of Prey Bulletin No. 3 (1986) Raptors in the Modern World (1989) Birds of Prey Bulletin No. 4 (1991) Eagle Studies (1996) Holartic Birds of Prey (1998) Raptors at Risk (2000) Raptors Worldwide (2004) Contact Impressum [in German]

W.W.G.B.P. The World Working Group on Birds of Prey and Owl
Weltarbeitsgruppe für Greifvögel und Eulen e.V.
Groupe de Travail Mondial sur les Rapaces

Book: Raptor Conservation Today (1994)

Raptor Conservation Today (1994): Download of articles

König C (1994):
Biological Patterns in Owl Taxonomy, with emphasis on Bioacoustical Studies on Neotropical Pygmy (Glaucidium) and Screech Owls (Otus)
Raptor conservation today, p 1-19 Download

Abuladze A (1994):
Birds of Prey in Georgia in the 20th Century
Raptor conservation today, p 23-28 Download

Cortone P, Minganti A, Pellegrini M, Riga F, Sigismondi A & Zocchi A (1994):
Population Trends of the Red Kite Milvus milvus in Italy
Raptor conservation today, p 29-32 Download

Delov VG & Stoyanov GS (1994):
Ecological Aspects of Long-term Changes in Population Density of the Kestrel Falco tinnunculus around Sofia
Raptor conservation today, p 33-38 Download

Kostrzewa A & Kostrzewa R (1994):
Population Limitation in Buzzards Buteo buteo and Kestrels Falco tinnunculus: the different roles of habitat, food and weather
Raptor conservation today, p 39-48 Download

Leshem Y (1994):
Global Raptor Migration "Bottlenecks" as a Parameter of Long-Term Variations in Raptor Populations
Raptor conservation today, p 49-53 Download

Liversidge R (1994):
Long-term Population Fluctuations of Large Raptors in the Southern Kalahari
Raptor conservation today, p 55-59 Download

Plesník J & Dusík M (1994):
Reproductive output of the Kestrel Falco tinnunculus in Relation to Small Mammal Dynamics in intensively cultivated Farmland
Raptor conservation today, p 61-65 Download

Sulkava S, Huhtala K & Tornberg R (1994):
Regulation of Goshawk Accipiter gentilis breeding in Western Finland over the last 30 years
Raptor conservation today, p 67-76 Download

Zollinger R & Müskens G (1994):
Population dynamics and lifetime reproductive success in Sparrowhawks Accipiter nisus in a Dutch-German study area
Raptor conservation today, p 77-85 Download

van Balen S & Meyburg BU (1994):
The Java Hawk Eagle Spizaetus bartelsi: Results of recent Research on Distribution Status and Ecology
Raptor conservation today, p 89-92 Download

Davygora AV & Belik VP (1994):
The Pallid Harrier Circus macrourus as an Endangered Species in the Palaearctic
Raptor conservation today, p 93-96 Download

Faralli U (1994):
Breeding Biology, Habitat Selection and Conservation of Montagu's Harrier Circus pygargus in the Northern Apennines, Italy
Raptor conservation today, p 97-101 Download

Gamauf A (1994):
The Influence of Tourism on Marsh Harriers Circus aeruginosus in the Neusiedlersee-Seewinkel National Park, Austria
Raptor conservation today, p 103-108 Download

Gaucher P, Daunicht WD & Eichacher X (1994):
The Sooty Falcon Falco concolor in Saudi Arabia
Raptor conservation today, p 109-116 Download

Giacchini P & Pandolfi M (1994):
Feeding Habits of Montagu's Harrier Circus pygargus in Central Italy
Raptor conservation today, p 117-122 Download

Herholdt JJ (1994):
Aspects of the Breeding Ecology of the Red-necked Falcon Falco chicquera horsbrughi and its Hunting Association with the Gabar Goshawk Micronisus gabar in the South-Eastern Kalahari
Raptor conservation today, p 123-132 Download

Iankov P, Petrov T, Michev T & Profirov L (1994):
Past and present Status of the Lesser Kestrel Falco naumanni in Bulgaria
Raptor conservation today, p 133-138 Download

Iankov P, Khristov K & Avramov S (1994):
Changes in Status of the Black Vulture Aegypius monachus in Bulgaria for the period 1980-1990
Raptor conservation today, p 139-142 Download

Kirmse W (1994):
Raptors' Plasticity of Nest Site Selection
Raptor conservation today, p 143-146 Download

Kitowski I (1994):
Montagu's Harrier Circus pygargus Post-Fledging Activities in Eastern Poland - Preliminary Results
Raptor conservation today, p 147-150 Download

Krogulec J & Leroux ABA (1994):
Breeding Ecology of Montagu's Harrier Circus pygargus on natural and reclaimed Marshes in Poland and France
Raptor conservation today, p 151-152 Download

Leonardi G (1994):
The Home Range of the Lanner Falco biarmicus feldeggi: influences of territory composition
Raptor conservation today, p 153-156 Download

Manzi A & Perna P (1994):
Relationships between Peregrine and Lanner in the Marches (Central Italy)
Raptor conservation today, p 157-162 Download

Marinković Š & Orlandić L (1994):
Status of the Griffon Vulture Gyps fulvus in Serbia
Raptor conservation today, p 163-172 Download

Nankinov DN (1994):
Distribution, Migration and Wintering of the Rough-Legged Buzzard Buteo lagopus in Bulgaria
Raptor conservation today, p 173-178 Download

Palma L & Beja PR (1994):
Autumn Migration of Raptors through Sagres (SW Portugal)
Raptor conservation today, p 179-185 Download

Pandolfi M & Barocci A (1994):
Analysis of Montagu's Harrier Circus pygargus Aerial Display during Courtship
Raptor conservation today, p 187-192 Download

Portelli P (1994):
Large-Scale Shooting of Raptors in the Maltese Islands
Raptor conservation today, p 193-194 Download

Potapov ER (1994):
Time Budget, Organochlorines and Productivity in the Peregrine Falcon Falco peregrinus in the Kolyma Lowlands Region (North-Eastern Siberia)
Raptor conservation today, p 195-201 Download

Schneider R & Wilden I (1994):
Choice of Prey and Feeding Activity of urban Peregrine Falcons Falco peregrinus during the Breeding Season
Raptor conservation today, p 203-210 Download

Wegner P (1994):
Population Ecology of Peregrine Falcons Falco peregrinus in Baden-Württemberg, 1965-1991
Raptor conservation today, p 211-218 Download

Zollinger R & Hagemeijer WJM (1994):
The Lesser Kestrel Falco naumanni: review of the status of a globally threatened species
Raptor conservation today, p 219-228 Download

Thiollay JM (1994):
A World Review of Tropical Forest Raptors: Current trends, Research Objectives and Conservation Strategy
Raptor conservation today, p 231-240 Download

Baker-Gabb DJ (1994):
Threatened Raptors of Australia's Tropical Forests
Raptor conservation today, p 241-244 Download

van Balen S (1994):
The Status and Conservation of Birds of Prey in the Sondaic and Wallacean Regions of Indonesia
Raptor conservation today, p 245-254 Download

Berkelmann J (1994):
The Ecology of the Madagascar Buzzard Buteo brachypterus
Raptor conservation today, p 255-256 Download

Burnham WA, Whitacre DF & Jenny JP (1994):
The Maya Project: Use of Raptors as Tools for Conservation and Ecological Monitoring of Biological Diversity
Raptor conservation today, p 257-264 Download

Houston DC (1994):
Observations on Greater Yellow-headed Vultures Cathartes melambrotus and other Cathartes species as Scavengers in Forest in Venezuela
Raptor conservation today, p 265-268 Download

Meyburg BU & van Balen S (1994):
Raptors on Sulawesi (Indonesia): The influence of rain forest destruction and human density on their populations
Raptor conservation today, p 269-276 Download

Salvador DJI (1994):
Socio-economic Incentives for the Conservation of the Rainforest Habitat of the Philippine Eagle Pithecophaga jefferyi
Raptor conservation today, p 277-282 Download

Watson RT & Lewis R (1994):
Raptor Studies in Madagascar's Rain Forest
Raptor conservation today, p 283-290 Download

Wotzkow C (1994):
Status, Distribution, Current Research and Conservation of Forest Birds of Prey in Cuba
Raptor conservation today, p 291-300 Download

Kenward RE & Walls SS (1994):
The Systematic Study of Radio-Tagged Raptors: I. Survival, Home-range and Habitat-use
Raptor conservation today, p 303-315 Download

Walls SS & Kenward RE (1994):
The Systematic Study of Radio-tagged Raptors: II. Sociality and Dispersal
Raptor conservation today, p 317-324 Download

Bögel R (1994):
Measuring Locations and Flight Altitudes of Griffon Vultures Gyps fulvus by an Automatic Telemetry System
Raptor conservation today, p 325-333 Download

Bosak A (1994):
A Honeycomb Repeater Radiotelemetry System and Migration Dataloggers for Raptor Research
Raptor conservation today, p 335-336 Download

Chandler SK, Fraser JD, Buehler DA, Dean DJ & Seegar JKD (1994):
Using a Geographic Information System to Analyse Bald Eagle Haliaeetus leucocephalus Habitat on the Chesapeake Bay, Maryland
Raptor conservation today, p 337-345 Download

Grubb TG, Bowerman WW & Howey PW (1994):
Tracking Local and Seasonal Movements of Wintering Bald Eagles Haliaeetus leucocephalus from Arizona and Michigan with Satellite Telemetry
Raptor conservation today, p 347-358 Download

Hohmann U (1994):
Status Specific Habitat Use in the Common Buzzard Buteo buteo
Raptor conservation today, p 359-366 Download

Revers R & Bögel R (1994):
Distance Immobilisation by Telinject of Griffon Vultures Gyps fulvus with the drug Ketamine-Xylazine
Raptor conservation today, p 367-371 Download

Sušić G (1994):
Wing-marking of Eurasian Griffons Gyps fulvus in Croatia - Evaluation and Initial Results
Raptor conservation today, p 373-380 Download

Wallace MP, Fuller M & Wiley J (1994):
Patagial Transmitters for Large Vultures and Condors
Raptor conservation today, p 381-387 Download

Bagyura J, Haraszthy L & Szitta T (1994):
Methods and Results of Saker Falcon Falco cherrug Management and Conservation in Hungary
Raptor conservation today, p 391-395 Download

Bagyura J, Haraszthy L & Szitta T (1994):
Feeding Biology of the Saker Falcon Falco cherrug in Hungary
Raptor conservation today, p 397-401 Download

Mossop DH & Hayes RD (1994):
Long Term Trends in the Breeding Density and Productivity of Gyrfalcon Falco rusticolus in the Yukon Territory, Canada
Raptor conservation today, p 403-413 Download

Riddle KE & Remple JD (1994):
Use of the Saker and other Large Falcons in Middle East Falconry
Raptor conservation today, p 415-420 Download

Shank CC & Poole KG (1994):
Status of Gyrfalcon Falco rusticolus Populations in the Northwest Territories, Canada
Raptor conservation today, p 421-436 Download

Swem T, McIntyre C, Ritchie RJ, Bente PJ & Roseneau DG (1994):
Distribution, Abundance, and notes on the Breeding Biology of Gyrfalcons Falco rusticolus in Alaska
Raptor conservation today, p 437-444 Download

Evans IM, Love JA, Galbraith CA & Pienkawski MW (1994):
Population and Range Restoration of Threatened Raptors in the United Kingdom
Raptor conservation today, p 447-457 Download

Frey H & Bijleveld van Lexmond M (1994):
The Reintroduction of the Bearded Vulture, Gypaetus barbatus aureus into the Alps
Raptor conservation today, p 459-464 Download

Martell MS, Tordoff HB & Redig PT (1994):
The Introduction of Three Native Raptors into the Midwestern United States
Raptor conservation today, p 465-469 Download

McGrady MJ, Orr-Ewing DC & Stowe TJ (1994):
The Re-introduction of the Red Kite Milvus milvus into Scotland
Raptor conservation today, p 471-477 Download

Terrasse M, Bagnolini C, Bonnet J, Pinna JL & Sarrazin F (1994):
Reintroduction of the Griffon Vulture Gyps fulvus in the Massif Central, France
Raptor conservation today, p 479-491 Download

Tewes E (1994):
The European Black Vulture Aegypius monachus Project in Mallorca
Raptor conservation today, p 493-498 Download

Galeotti P & Gariboldi A (1994):
Territorial Behaviour and Habitat Selection by the Scops Owl Otus scops in a Karstic Valley (NE Italy)
Raptor conservation today, p 501-505 Download

Gehlbach FR (1994):
Recruitment in an Eastern Screech Owl Otus asio Population: on Components of Fitness and Inheritance
Raptor conservation today, p 507-509 Download

Génot JC (1994):
Breeding Biology of the Little Owl Athene noctua in France
Raptor conservation today, p 511-520 Download

Petty SJ (1994):
Moult in Tawny Owls Strix aluco in Relation to Food Supply and Reproductive Success
Raptor conservation today, p 521-530 Download

Plesník J & Dusík M (1994):
Reproductive Output of the Tawny Owl Strix aluco in relation to Small Mammal Dynamics in intensively cultivated Farmland
Raptor conservation today, p 531-535 Download

Pykal J & Kloubec B (1994):
Feeding Ecology of Tengmalm's Owl Aegolius funereus in the Šumava National Park, Czechoslovakia
Raptor conservation today, p 537-541 Download

Schwerdtfeger O (1994):
The Dispersion Dynamics of Tengmalm's Owl Aegolius funereus in Central Europe
Raptor conservation today, p 543-550 Download

van Veen JC & ten Broeke EM (1994):
A silent method to record nesting events in hole-breeding Owls
Raptor conservation today, p 551-556 Download

van Veen JC (1994):
Nestling Necrophagy in Tawny Owls Strix aluco
Raptor conservation today, p 557-563 Download

Enríquez-Rocha P, Rangel-Salazar JL & Holt DW (1994):
The Distribution of Mexican Owls
Raptor conservation today, p 567-574 Download

Olsen P, Hicks J, Mooney N & Greenwood D (1994):
Progress of the Norfolk Island Boobook Owl Ninox novaeseelandiae undulata Re-establishment Programme
Raptor conservation today, p 575-578 Download

Wen XJ & Yang L (1994):
The Distribution and Conservation of Strigiformes in Yunnan Province, China
Raptor conservation today, p 579-586 Download

Yamamoto S (1994):
Mating Behaviour of Blakiston's Fish Owl Ketupa blakistoni
Raptor conservation today, p 587-590 Download

Helbig AJ, Seibold I, Bednarek W, Gaucher P, Ristow D, Scharlau W, Schmidl D & Wink M (1994):
Phylogenetic relationships among Falcon species (genus Falco) according to DNA sequence variation of the cytochrome b gene
Raptor conservation today, p 593-599 Download

Holdaway RN (1994):
An Exploratory Phylogenetic Analysis of the Genera of the Accipitridae, with Notes on the Biogeography of the Family
Raptor conservation today, p 601-649 Download

Kemp A & Crowe T (1994):
A Morphometric Analysis of Accipiter Species
Raptor conservation today, p 651-665 Download

Pererva VI & Grazhdankin AV (1994):
Possible Effect of Anthropogenic Environmental changes on Morphological Variation of some European Birds of Prey
Raptor conservation today, p 667-675 Download

Swatschek I, Feldmann F, Ristow D, Scharlau W, Wink C & Wink M (1994):
DNA-Fingerprinting of Eleonora's Falcon Falco eleonorae
Raptor conservation today, p 677-682 Download

Risebrough RW (1994):
Toxic Chemicals and Birds of Prey: Discussions in Berlin in 1992
Raptor conservation today, p 685-692 Download

Basili G, Cardinale-Pizani P & Risebrough RW (1994):
Organochlorines in Venezuelan Raptor Eggs
Raptor conservation today, p 693-696 Download

Best DA, Bowerman WW, Kubiak TJ, Winterstein SR, Postupalsky S, Shieldcastle MC & Giesy JP (1994):
Reproductive Impairment of Bald Eagles Haliaeetus leucocephalus along the Great Lakes Shorelines of Michigan and Ohio
Raptor conservation today, p 697-701 Download

Bowerman WW, Best DA, Giesy JP, Kubiak TJ & Sikarskie JG (1994):
The Influence of Environmental Contaminants on Bald Eagle Haliaeetus leucocephalus Populations in the Laurentian Great Lakes, North America
Raptor conservation today, p 703-707 Download

Burns SA, Jarman WM, Cade TJ, Kiff LF & Walton BJ (1994):
Organochlorines and Eggshell Thinning in Peregrine Falcon Falco peregrinus Eggs from the Eastern United States, 1986-1988
Raptor conservation today, p 709-716 Download

Falandysz J & Mizera T (1994):
Trace Element Concentrations in Feathers of White-Tailed Sea Eagles Haliaeetus albicilla Collected Recently in Poland
Raptor conservation today, p 717-723 Download

Falandysz J, Yamashita N, Tanabe S, Tatsukawa R, Mizera T & Jakuczun B (1994):
Highly Toxic Non-Ortho-Chlorine substituted Coplanar PCBs in White-Tailed Sea Eagles Haliaeetus albicilla from Poland
Raptor conservation today, p 725-730 Download

Helander B (1994):
Pre-1954 Breeding Success and Productivity of White-Tailed Sea Eagles Haliaeetus albicilla in Sweden
Raptor conservation today, p 731-733 Download

Helander B (1994):
Productivity in Relation to Residue Levels of DDE in the Eggs of White-Tailed Sea Eagles Haliaeetus albicilla in Sweden
Raptor conservation today, p 735-738 Download

Henny CJ, Ganusevich SA, Ward FP & Schwartz TR (1994):
Organochlorine Pesticides, Chlorinated Dioxins and Furans, and PCBs in Peregrine Falcon Falco peregrinus Eggs from the Kola Peninsula, Russia
Raptor conservation today, p 739-749 Download

Jenkins JM, Jurek RM, Garcelon DK, Mesta R, Hunt WG, Jackman RE, Driscoll DE & Risebrough RW (1994):
DDE Contamination and Population Parameters of Bald Eagles Haliaeetus leucocephalus in California and Arizona, USA
Raptor conservation today, p 751-756 Download

Lacombe D, Bird DM, Hunt KA & Mineau P (1994):
The Impact of Fenthion on Birds of Prey
Raptor conservation today, p 757-759 Download

Linthicum JL, Jarman WM, Walton BJ, Risebrough RW, Kiff LF & Minton JS (1994):
Weight loss during artificial incubation vs. Eggshell thinning of California Peregrine Falcon Falco peregrinus Eggs brought from the Wild
Raptor conservation today, p 761-765 Download

Lincer JL (1994):
A Suggestion of Synergistic effects of DDE and Aroclor 1254 on Reproduction of the American Kestrel Falco sparverius
Raptor conservation today, p 767-769 Download

Nisbet ICT & Risebrough RW (1994):
Relationship of DDE to Productivity of Bald Eagles Haliaeetus leucocephalus in California and Arizona, USA
Raptor conservation today, p 771-773 Download

Peeters HJ (1994):
Suspected poisoning of Golden Eagles Aquila chrysaetos by Chlorophacinone
Raptor conservation today, p 775-776 Download

Walton BJ (1994):
The Peregrines Falco peregrinus of Morro Rock
Raptor conservation today, p 777-791 Download

Resolutions (1994):
Resolutions of the IV World Conference on Birds of Prey and Owls, Berlin, Germany, 10-17 May 1992
Raptor conservation today, p 793-800 Download

Raptor research
Raptor research