[Antipina, E. (1981): Impoverishment of the avifauna of the North-Western Crimea in the historic times and the economic activity. - Ecology and conservation of birds. Proceedings of the 8th All-Union ornithological Conference, Kishinew, 1981. (in Russian; cited in Panteleyev 2001)]Search in Google Scholar
[BirdLife International (2008): BirdLife Species Factsheet (additional data) LC, Gannet Morus bassanus. [ http://www.birdlife.org/datazone/species/index.html?action=SpcHTMDetails.asp&sid=3652&m=1]Search in Google Scholar
[BUNARCO (2008): Bulgarian National Rarities Committee Database. - BSPB, Sofia.]Search in Google Scholar
[Boev, N. (1962): Northern Gannet - Sula bassana. pp 325 In: Peshev, T. & Boev, N. (1962): Fauna of Bulgaria. A Brief Guide (of Vertebrate Animals). - Narodna Prosveta Publ. House, Sofia. (in Bulgarian)]Search in Google Scholar
[Burcak-Abramovic, N. & Calkin, V. (1971): K poznaniju ornitofauni juga Ukraini, Krima i Podonia (po arheologicheskim materialam). - Bull. MOIP Otd. Biol. 75: 54-63.]Search in Google Scholar
[Burcak-Abramovic, N. & Calkin V. (1974): Zaleti atlanticheskoi Oluchi Sula bassana bassana (L) na Chernoe more. - Soobcht. Pribalt. Kom. po izuch migracii ptic 8: 206-213.]Search in Google Scholar
[Carboneras, C. (1992): Family Sulidae (Gannets and Boobies). pp. 312-325 In: del Hoyo, J., Elliot, A. & Sargatal, J. (eds.): Handbook of the Birds of the World. Vol. 1. - Lynx Edicions, Barcelona.]Search in Google Scholar
[Christophers, S. (2007): Observation of an adult Gannet (Morus bassanus) and Pomarine Skua (Stercorarius pomarinus) along the Black Sea coast of Bulgaria. [ http://www.branta-tours.com/lbs.php]Search in Google Scholar
[Cramp, S. & Simmons, K.E.L. (eds.) (1977): Handbook of the Birds of Europe the Middle East and North Africa. The Birds of Western Palearctic, Vol. I. Ostrich to Ducks. - Oxford University Press.]Search in Google Scholar
[Königstedt, D., & Robel, D. (1978): Zur Avifauna Bulgariens (Ein Nachtrag). - Beitr. Vögelkd. 24: 276-280.]Search in Google Scholar
[Kostadinova, I. & Gramatikov, M. (eds.) (2007): Important Birds Areas in Bulgaria and Natura 2000. Nature Conservation Series, Book 11. - BSPB, Sofia.]Search in Google Scholar
[Michev, T. (1990): 4. Order Pelecaniformes - Pelecaniform. pp. 79-96 In: Simeonov, S., Michev, T. & Nankinov, D.: Fauna of Bulgaria, Vol. 20., Aves. - Publ. House of the Bulg. Acad. of Sci., Sofia.]Search in Google Scholar
[Nankinov, D. (1992): Checklist of bird species and subspecies in Bulgaria. - Avocetta 16: 1-17.]Search in Google Scholar
[Nankinov, D. & Todorov, N. (2006): Der Einflug des Basstölpels ins Schwarze Meer. - Ornithologische Mitteilungen 58 (1): 29-33.]Search in Google Scholar
[Panteleyev, A. (2001): Occurrences of bones of the Gannet (Sula bassana) in the Crimea of the Antiquity. The Bosphorus phenomenon: the colonization of the region, formation of polises, formation of state. Proceedings of the International scientific conference, Part 2. - The Hermitage Publishing House, Sankt Peterburg. (in Russian)]Search in Google Scholar
[Paterson, A. (1993): The status of the Gannet (Sula bassana) in the Mediterranean. pp. 161-171 In: Aguilar, J.S., Monbailliu, X. & Paterson, A. (eds.): Proceedings of the 2nd Medit. Seabird Symposium Status and Conservation of seabirds - Ecogeography and Mediterranean Action Plan, Calvia, 21-26 March 1989. - SEO and MEDMARAVIS.]Search in Google Scholar
[Schimkat, J. (1992): Vogelbeobachtungen in Bulgarien. Teil 1: Beobachtungen von seltenen Vogelarten in Bulgarien. - Falke 39: 330-332.]Search in Google Scholar
[Varbanov, V. (1912): The marsh game in the vicinities of Burgas. - Lovets 5: 50-51. (in Bulgarian)]Search in Google Scholar
[Wanless, S. (1997): Morus bassanus. pp. 30-31 In: Hagemeijer, W.J.M. & Blair, M.J. (eds.): The EBCC Atlas of European Breeding Birds. Their Distribution and Abundance. - T & AD Poyser, London.]Search in Google Scholar
