[Andevski J (ed) 2013: Vulture conservation in the Balkan Penninsula and the adjacent regions. 1 0 years of vulture research and conservation. Vulture Conservation Foundation, Skopje, 39.]Search in Google Scholar
[Anonymus 201 2a: Gänsegeier in Österreich. Der Bartgeier 32(1 ): 7.]Search in Google Scholar
[Anonymus 201 2b: Mönchsgeier in Österreich. Der Bartgeier 32(1 ): 8.]Search in Google Scholar
[Appak BA, Beskaravajny MM, Klestov NL, Kostin SJ, Osipova MO & Cvelych OM 2009: Cervona kniga Ukrainy. Tvarynnyy svit 2009 [Red Book of Ukrai ne. Animals]. Globalkonsulting, 624. [In Ukrainian with English summary] ]Search in Google Scholar
[Balázs I, Dudás M, Juhász T & Borbáth P 201 2: Az els. Magyarországon gy.r.zött fakókesely. és külföldi megfigyelése [The first hungarian banded Griffon vulture and its observation in abroad]. Heliaca 8[2010]: 114. [In Hungarian with English summary] ]Search in Google Scholar
[BirdLife International 2004: Birds in Europe: population estimates, trends and conservation status. BirdLife International, Cambridge (BirdLife Conservation Series No. 1 2): 374.]Search in Google Scholar
[Donázar JA, Margalida A, Carrete M & Sánchez-Zapata JA 2009: Too sanitary for vultures. Science 326: 664. DOI: 1 0.11 26/science.326_664a.10.1126/science.326_664a19900914]Search in Google Scholar
[Dudás M 2005: Az európai kesely. fajok védelmének lehet.ségei napjainkban a Kárpátmedencében [Conservation possibilities of the European vulture species nowadays in the Carpathian basin]. Debreceni Déri Múzeum Évkönyve 77(1 ). [2004]: 7-24. [In Hungarian with English summary] ]Search in Google Scholar
[Dudás M, G.ri S & Sándor I 2011 : A fakó (Gyps fulvus) és a barátkesely. (Aegypius monachus) fajvédelmi és visszatelepítési terve Magyarországon és a Kárpát- medencében [Plan for reintroducing the griffon vulture (Gyps fulvus) and the cinereous vulture (Aegypius monachus) in Hungary and in the Pannonian Basin], Project document. [In Hungarian] ]Search in Google Scholar
[Gantlett S 2008: 2007: the western Palearctic year. Birding World 21 : 29-42.10.1088/2058-7058/21/11/44]Search in Google Scholar
[Godyn Z 1 938: Rzadkie gatunki ptaków z rzedu Falconiformes obserwowane w latach 1920-1937 w poludniowowschodniej Polsce [Rare birds of Falconiformes observed in the years 1 920-1 937 in southeastern Poland]. Acta ornithologica 2(8): 1 33-1 43. [In Polish] ]Search in Google Scholar
[Grubac B 2005: Vulture populations in Serbia and Montenegro, and Bosnia and Herzegovina: status, evolution, threats; vulture action plan, 5. In: Anonymus (ed): II Workshop on the action plan for the recovery and conservation of the vultures on the Balkan peninsula and adjacent regions, 27.-30. June 2005, Prilep, Macedonia, 31 .]Search in Google Scholar
[Hadarics T & Zalai T 2008: Magyarország madarainak névjegyzéke [An annotated list of the birds of Hungary]. Magyar Madártani és Természetvédelmi Egyesület, Budapest, 278. [In Hungarian with English summaries] ]Search in Google Scholar
[Jordi A 2007: Einflug der Geier. Ornis 4/07:26.]Search in Google Scholar
[Komarnyckyj I & Gorban I 2013: Chornyj gryf (Aegypius monachus L.): novi mozhlyvosti na Zachodi Ukrainy [Black vulture (Aegypius monachus L.): new possibilities in western Ukraine], 252−253. In: Khamar IS (ed): IX Mizhnarodna naukova konferenciya «Molod i postup biologii». Spolom, Ivan Franko National University of Lviv. Lviv, 504. [In Ukrainian] ]Search in Google Scholar
[Komisja Faunistyczna 2002: Rzadkie ptaki obserwowane w Polsce w roku 2001 [Rare birds recorded in Poland in 2001 ]. Notatki Ornitologiczne 43:177-195. [In Polish with English summary] ]Search in Google Scholar
[Komisja Faunistyczna 2003: Rzadkie ptaki obserwowane w Polsce w roku 2002 [Rare birds recorded in Poland in 2002]. Notatki Ornitologiczne 44: 195 219. [In Polish with English summary]]Search in Google Scholar
[ Komisja Faunistyczna 2005: Rzadkie ptaki obserwowane w Polsce w roku 2004 [Rare birds recorded in Poland in 2004]. Notatki Ornitologiczne 46: 157-1 78. [In Polish with English summary] ]Search in Google Scholar
[Komisja Faunistyczna 2006: Rzadkie ptaki obserwowane w Polsce w roku 2005 [Rare birds recorded in Poland in 2005]. Notatki Ornitologiczne 47: 97-124. [In Polish with English summary] ]Search in Google Scholar
[Komisja Faunistyczna 2007: Rzadkie ptaki obserwowane w Polsce w roku 2006 [Rare birds recorded in Poland in 2006]. Notatki Ornitologiczne 48: 107-1 36. [In Polish with English summary] ]Search in Google Scholar
[Komisja Faunistyczna 2008: Rzadkie ptaki obserwowane w Polsce w roku 2007 [Rare birds recorded in Poland in 2007]. Notatki Ornitologiczne 49: 81-11 5. [In Polish with English summary] ]Search in Google Scholar
[Komisja Faunistyczna 2009: Rzadkie ptaki obserwowane w Polsce w roku 2008 [Rare birds recorded in Poland in 2008]. Notatki Ornitologiczne 50: 111-1 42. [In Polish with English summary]]Search in Google Scholar
[Komisja Faunistyczna 2010: Rzadkie ptaki obserwowane w Polsce w roku 2009 [Rare birds recorded in Poland in 2009]. Ornis Polonica 51 : 117-148. [In Polish with English summary] ]Search in Google Scholar
[Komisja Faunistyczna 2011 : Rzadkie ptaki obserwowane w Polsce w roku 201 0 [Rare birds recorded in Poland in 201 0]. Ornis Polonica 52: 117-149. [In Polish with English summary] ]Search in Google Scholar
[Komisja faunistyczna 2013: Rzadkie ptaki obserwowane w Polsce w roku 201 2 [Rare birds recorded in Poland in 2012]. Ornis Polonica 54: 109-150. [In Polish with English summary] Krüger T & ]Search in Google Scholar
[Krüger J-A 2007: Einflug von Gänsegeiern Gyps fulvus in Deutschland 2006: Vorkommen, mögliche Ursachen und naturschutzfachliche Konsequenzen. Limicola 21 (3): 1 85-217. ]Search in Google Scholar
[Margalida A & Colomer MA 2012: Modelling the effects of sanitary policies on European vulture conservation. Scientific Reports 2: 753. DOI: 10.1038/srep00753.10.1038/srep00753347534023082243]Search in Google Scholar
[Margalida A, Donazar JA, Carrete M & Sánchez-Zapata JA 2010: Sanitary versus environmental policies: fitting together two pieces of the puzzle of European vulture conservation. Journal ofApplied Ecology 47: 931-935. DOI: 10.1111 /j.1 365-2664.2010.01 835.x.10.1111/j.1365-2664.2010.01835.x]Search in Google Scholar
[Margalida A, Carrete M, Sánchez-Zapata JA & Donázar JA 201 2: Good news for European vultures. Science 335: 284. DOI: 1 0.1 1 26/science- .335.6066.284-a.10.1126/science.335.6066.284-a22267790]Search in Google Scholar
[Margalida A, Carrete M, Hegglin D, Serrano D, Arenas R & Donázar JA 201 3: Uneven large-scale movement patterns in wild and reintroduced pre-adult bearded vultures: conservation implications. PloS ONE 8(6): e65857. DOI: 10.1371 /journal.- pone.006585710.1371/journal.pone.0065857367919523776559]Search in Google Scholar
[Mašlejová V 2007: Sup krúžil nad Bratislavou [Circling vulture above “Bratislava” city]. Plus jeden den 3(167;21. 7 .2007): 8. [In Slovak] ]Search in Google Scholar
[Mebs T & Schmidt D 2006: Die Greifvögel Europas, Nordafrikas und Vorderasiens. Franckh-Kosmos Verlag, Stuttgart, 495.]Search in Google Scholar
[MME Nomenclator Bizottság 2006: Az MME Nomenclator Bizottság 2004. évi jelentése a Magyarországon ritka madárfajok el.fordulásáról [The 2004 report of the Hungarian Checklist and Rarities Committee on rare birds in Hungary]. Aquila 113: 1 07-1 22. [In Hungarian with English abstract] ]Search in Google Scholar
[MME Nomenclator Bizottság 2008: Az MME Nomenclator Bizottság 2005. évi jelentése a Magyarországon ritka madárfajok el.fordulásáról [The 2005 report of the Hungarian Checklist and Rarities Committee on rare birds in Hungary]. Aquila 114-115: 137-152. [In Hungarian with English abstract] ]Search in Google Scholar
[MME Nomenclator Bizottság 2010: Az MME Nomenclator Bizottság 2007. évi jelentése a Magyarországon ritka madárfajok el.fordulásáról [The 2007 report of the Hungarian Checklist and Rarities Committee on rare birds in Hungary]. Aquila 116-117: 115-128. [In Hungarian with English abstract] MME Nomenclator Bizottság 2011a: Az MME Nomenclator Bizottság 2008. évi jelentése a Magyarországon ritka madárfajok el.fordulásáról [The 2008 report of the Hungarian Checklist and Rarities Committee on rare birds in Hungary]. Aquila 118:143-154. [In Hungarian with English abstract] ]Search in Google Scholar
[MME Nomenclator Bizottság 2011b: Az MME Nomenclator Bizottság 2009. évi jelentése a Magyarországon ritka madárfajok el.fordulásáról [The 2009 report of the Hungarian Checklist and Rarities Committee on rare birds in Hungary]. Aquila 118: 155-1 64. [In Hungarian with English abstract] ]Search in Google Scholar
[MME Nomenclator Bizottság 2013: Az MME Nomenclator Bizottság 201 0. évi jelentése a Magyarországon ritka madárfajok el.fordulásáról [The 2010 report of the Hungarian Checklist and Rarities Committee on rare birds in Hungary]. Aquila 120:61-73. [In Hungarian with English abstract] ]Search in Google Scholar
[Moreno-Opo R & Margalida A in press: Conservation of the cinereous vulture Aegypius monachus in Spain (1966-2011 ): a bibliometric review of threats, research and adaptive management. Bird Conservation International. DOI: 10.1017/S0959270913000427.10.1017/S0959270913000427]Search in Google Scholar
[Mošanský L 2001 : Dalšie výskyty supa bielohlavého (Gyps fulvus) na východnom Slovensku [Occurrences of griffon vulture (Gyps fulvus) in Eastern Slovakia]. Buteo 1 2:163-164. [In Slovak with English summary] ]Search in Google Scholar
[Noga M 2007: Bol tu! [It was here! ] Dravce a sovy 3(2): 20. [In Slovak with English summary] ]Search in Google Scholar
[Pavelka J 2002: Pozorování supa hnedého (Aegypius monachus) v podhurí Bílých Karpat v roce 2001 [The observation of European black vulture (Aegypius monachus) in the Bílé Karpaty foothills (SE Moravia, Czech Republic) in 2001 ]. Crex 1 8: 23-25. [In Czech with English summary] ]Search in Google Scholar
[Radziszewski M 201 3: Pojawy sepa płowego Gyps fulvus w Wielkopolsce w kontekscie jego wystepowania w Polsce i krajach osciennych [Sightings of griffon vulture Gyps fulvus in Wielkopolska region in terms of its occurence in Poland and adjacent countries]. Ptaki Wielkopolski 2: 40-53. [In Polish with English summary] ]Search in Google Scholar
[Ranner A 2002: Nachweise seltener und bemerkenswerter Vogelarten in Österreich 1996-1998.3. Bericht der Avifaunistischen Kommission von BirdLife Österreich. Egretta 45(1-2): 1-37.]Search in Google Scholar
[Ranner A 2003: Nachweise seltener und bemerkenswerter Vogelarten in Österreich 1 999-2000. 4. Bericht der Avifaunistischen Kommission von BirdLife Österreich. Egretta 46(2): 1 09-1 35.]Search in Google Scholar
[Ranner A & Khil L 2009: Nachweise seltener und bemerkenswerter Vogelarten in Österreich 2001-2006. Fünfter Bericht der Avifaunistischen Kommission von BirdLife Österreich. Egretta 50(1 ): 51-75. ]Search in Google Scholar
[Ranner A & Khil L 2011 : Nachweise seltener und bemerkenswerter Vogelarten in Österreich 2007-2009. 6. Bericht der Avifaunistischen Kommission von BirdLife Österreich. Egretta 52: 13-32.]Search in Google Scholar
[Sárossy M 2007: Sup nad Šarišom [Vultur above Šariš region]. Štvrtrocník Dialóg o Velkom Šariši a Kanaši 4(3): 8. [In Slovak] ]Search in Google Scholar
[Skyrpan M & Gorban I 201 3: Pro mynule i suchasne sypiv biologovych Gyps fulvus L. na Zachodi Ukrayiny [On the past and present of the griffon vultures Gyps fulvus L. in western Ukraine] 265−266. In: Khamar IS (ed): IX Mizhnarodna naukova konferenciya «Molod i postup biologiyi». Spolom, Ivan Franko National University of Lviv. Lviv, 504. [In Ukrainian] ]Search in Google Scholar
[Susic G & Pavokovic G 2005: Vulture populations: status, evolution and threats; integral protection of Eurasian griffons in Croatia in 2005, 7. In: Anonymus (ed): II Workshop on the action plan for the recovery and conservation of the vultures on the Balkan peninsula and adjacent regions, 27.-30. June 2005, Prilep, Macedonia, 31 . ]Search in Google Scholar
[Šrank V 2007: 7. správa Faunistickej komisie Slovenskej ornitologickej spolocnosti/BirdLife Slovensko [The 7th report of the Rarities Committee of the Slovak Ornithological Society/BirdLife Slovakia]. Tichodroma 19: 163-1 66. [In Slovak with English abstract] ]Search in Google Scholar
[Tella JL 2001 : Action is needed now, or BSE crisis could wipe out endangered birds of prey. Nature 410: 408. DOI: 1 0.1038/3506871 7.10.1038/3506871711260682]Search in Google Scholar
[Tomiałojc L & Stawarczyk T 2003: Awifauna Polski. Rozmieszczenie, liczebnosc i zmiany. Tom I. [The avifauna of Poland. Distribution, numbers and trends]. Polskie Towarzystwo Przyjaciól Przyrody „pro Natura”, Wrocław, 439. [In Polish with English summary] ]Search in Google Scholar
[Vavrík M 2002: Zpráva Faunistické komise CSO za období 1 999-2001 [The report of the Czech Rarities Committee for the period 1 999-2001 ]. Zprávy Ceské spolecnosti ornitologické 55: 3-1 6. [In Czech with English summary] ]Search in Google Scholar
[Vavrík M 2004: Zpráva Faunistické komise CSO za rok 2003 [Rare birds in the Czech Republic in 2003]. Zprávy Ceské spolecnosti ornitologické 59: 24-32. [In Czech with English summary] ]Search in Google Scholar
[Vavrík M & Faunistická komise CSO 201 0: Zpráva Faunistické komise CSO za rok 2009 [Rare birds in the Czech Republic in 2009]. Sylvia 46: 1 79-1 93. [In Czech with English summary] ]Search in Google Scholar
[Vavrík M & FK CSO 2011 : Zpráva Faunistické komise CSO za rok 201 0 [Rare birds in the Czech Republic in 201 0]. Sylvia 47: 1 59-1 74. [In Czech with English summary] ]Search in Google Scholar
[Vavrík M & FK CSO 2012: Zpráva Faunistické komise CSO za rok 2011 [Rare birds in the Czech Republic in 2011 ]. Sylvia 48: 1 81-1 96. [In Czech with English summary] ]Search in Google Scholar
