References
- BirdLife International (2004): Birds in Europe: population estimates, trends and conservation status. BirdLife Conservation Series No. 12. - BirdLife International, Cambridge.
- Burfield, I. (2008): The Conservation Status and Trends of Raptors and Owls in Europe. - Ambio 37 (6): 401-407.
- Carothers, J.H. & Jaksic, F.M. (1984): Time as a niche difference: the role of interspecific competition. - Oikos 42: 403-406.
- Duke, G. (2008): The EU environmental policy context for monitoring for and with raptors in Europe. - Ambio 37 (6): 397-400.
- EURAPMON (2012): Research and Monitoring for and with Raptors in Europe. Brochure. - European Science Foundation, Strasbourg Cedex. (available at http://www.eurapmon.net)
- EURAPMON (2013): Workshop - inventory of existing raptor monitoring in Europe. Final Report to ESF. (available at http://www.eurapmon.net/sites/default/files/pdf-s/eurapmon_workshop_murcia_report_final.pdf )
- Gómez-Ramírez, P., Shore, R.F., van den Brink, N.W., van Hattum, B., Bustnes, J.O., Duke, G., Fritsch, C., Garcia-Fernandez, A.J., Helander, B.O., Jaspers, V., Krone, O., Martinez-Lopez, E., Mateo, R., Movalli, P. & Sonne, C. (submitted): The first inventory of existing raptor contaminant monitoring activities in Europe. - Environment International.
- Hardey, J., Crick, H., Wernham, C., Riley, H., Etheridge, B. & Thompson, D. (2009): Raptors, a Field Guide for Surveys and Monitoring. Second Edition. - The Stationery Office, Edinburgh.
- Hartert, E. (1921): Birds of Palearctic Fauna. Part II. - Verlag von R. Friedlander & Sohn, London.
- Helander, B., Bignert, A. & Asplund, L. (2008): Using Raptors as Environmental Sentinels: Monitoring the White-tailed Sea Eagle Haliaeetus albicilla in Sweden. - Ambio 37 (6): 425-431.
- Kotrošan, D. & Hatibović E. (2012): Raptors in Bosnia and Herzegovina - status and perspectives for monitoring development. - Acrocephalus 33 (154/155): 173-179.
- Kovács, A., Mammen, U. & Wernham, C. (2008): European monitoring for Raptors and Owls: State of the Art and Future Needs. - Ambio 37 (6): 401-409.
- Linnaeus, C. (1758): [Systema Naturae. Tomus I. Editio decima, reformata.] - Impensis Driect. Laurentii Salvii, Holmiae. (in Latin)
- Mikkola H. (1983): Owls of Europe. - T & A D Poyser, London.
- Movalli, P., Duke, G. & Osborn, D. (2008): Introduction to monitoring for and with raptors. - Ambio 37 (6): 395-396.
- PECBMS (2009): The State of Europe’s Common Birds 2008. - CSO/RSPB, Prague.
- Root, R. (1967): The niche exploitation pattern of the blue-grey gnatcatcher. - Ecological Monographs 37 (3): 317-350.
- Ružić, M., Radaković, M., Veselinović, D., Rudić, B., Kulić, S., Vučićević, I., Demajo, M., Nagulov, S., Golubović, A. & Miljković, N. (2010): [Long-eared Owl Asio otus winter roosts in Central Serbia 2006-2011: distribution, numbers and roost site preferences.] - Ciconia 19: 97-109. (in Serbian, English summary)
- Saurola, P. (2008): Monitoring birds of prey in Finland: a summary of methods, trends and statistical power. - Ambio 37 (6): 413-419.
- Sergio, F. & Hiraldo, F. (2008): Intraguild predation in raptor assemblages: a review. - Ibis 150, Suppl. 1: 132-145.
- Sergio, F., Marchesi, L. & Pedrini, P. (2003): Spatial refugia and the coexistence of a diurnal raptor with its intraguild owl predator. - Journal of Animal Ecology 72 (2): 232-245.
- Sergio, F., Newton, I. & Marchesi, L. (2005): Top predators and biodiversity. - Nature 436: 192.
- Vrezec, A. & Tome, D. (2004): Altitudinal segregation between Ural Owl Strix uralensis and Tawny Owl S. aluco: evidence for competitive exclusion in raptorial birds. - Bird Study 51 (3): 264-269.