[Aguilar, J.S. & Fernandez, G. (1999): Species Action Plan for the Mediterranean Shag Phalacrocorax aristotelis desmarestii in Europe. Final Draft, December 1999. - BirdLife International on behalf of the European Commission.]Search in Google Scholar
[Benussi, E. (2005): Shag Phalacrocorax aristotelis (Linnaeus, 1761). pp. 117-118 In: Guzzon, C., Tout, P. & Utmar, P. (eds.): Wintering waterbird censuses for the wetlands of the Friuli Venezia Giulia, NE Italy (1997-2004). - Associazione Studi Ornitologici e Ricerche Ecologiche del Friuli - Venezia Giulia (A.S.T.O.R.E. - FVG), “Centro Stampa” di A. Candito & F. Spanghero Snc, Monfalcone.]Search in Google Scholar
[Birdlife international (2004): Birds in Europe: population estimates, trends and conservation status. - BirdLife Conservation Series No. 12. BirdLife International, Cambridge.]Search in Google Scholar
[Božič, L. (2007): Rezultati januarskega štetja vodnih ptic leta 2007 v Sloveniji. - Acrocephalus 28 (132): 23-27.]Search in Google Scholar
[Božič, L. (2008a): Rezultati januarskega štetja vodnih ptic leta 2008 v Sloveniji. - Acrocephalus 29 (136): 39-49.]Search in Google Scholar
[Božič, L. (2008b): Rezultati januarskega štetja vodnih ptic leta 2009 v Sloveniji. - Acrocephalus 29 (138/139): 169-179.]Search in Google Scholar
[Božič, L. (2010): Rezultati januarskega štetja vodnih ptic leta 2010 v Sloveniji. - Acrocephalus 31 (145/146): 131-141.]Search in Google Scholar
[Božič, L. (2011): Rezultati januarskega štetja vodnih ptic leta 2011 v Sloveniji. Acrocephalus - 32 (148/149): 67-77.]Search in Google Scholar
[Božič, L. (2012): Rezultati januarskega štetja vodnih ptic leta 2012 v Sloveniji. - Acrocephalus 32 (152/153): 109-119.]Search in Google Scholar
[Cochran, W. G. (1954): Some methods for strenghtening the common χ2 tests. - Biometrics 10 (4): 417-451.10.2307/3001616]Search in Google Scholar
[Cramp, S. (ed.) (1998): The complete birds of the western Palearctic on CD-ROM. - Oxford University Press, Oxford. del Hoyo, j., Elliott, a. & Sargatal, j. eds. (1992): Handbook of the Birds of the World. Vol. 1. Ostrich to Ducks. - Lynx Editions, Barcelona.]Search in Google Scholar
[Dimond, S. & Lazarus, J. (1974): The Problem of Vigilance in Animal Life. - Brain, Behavior and Evolution 9 (1): 60-79. 10.1159/0001236554847593]Search in Google Scholar
[Geister, I. (1995): Ornitološki atlas Slovenije. - DZS, Ljubljana.]Search in Google Scholar
[Gutzwiller, K.J. & Marcum, H.A. (1997): Bird Reactions to Observer Clothing Color: Implications for Distance- Sampling Techniques. - Journal of Wildlife Management 61 (3): 935-947.10.2307/3802203]Search in Google Scholar
[Komisija za redkosti (1989): Seznam do sedaj ugotovljenih ptic Slovenije s pregledom redkih vrst. - Acrocephalus 10 (41/42): 75-80.]Search in Google Scholar
[Komisija za redkosti (1993): Seznam redkih vrst ptic Slovenije 1990. - Acrocephalus 14 (58/59): 99-119.]Search in Google Scholar
[Kushlan, J.A. (1977): The Significance of Plumage Colour in the Formation of Feeding Aggregations of Ciconiiforms. - Ibis 119 (3): 361-364.10.1111/j.1474-919X.1977.tb08256.x]Search in Google Scholar
[Mantel, N & Haentszel, W. (1959): Statistical Aspects of the Analysis of Data From Retrospective Studies of Disease. - Journal of the National Cancer Institute 22 (4): 719-748.]Search in Google Scholar
[McNaught, M.K. & Owens, I.P.F. (2002): Interspecific variation in plumage colour among birds: species recognition or light environment? - Journal of Evolutionary Biology 15 (4): 505-514.10.1046/j.1420-9101.2002.00431.x]Search in Google Scholar
[Newton, I. (1998): Population limitation in birds. - Academic press, London.]Search in Google Scholar
[Oro, D. & Martinez-Abrain, A. (2009): Ecology and behavior of seabirds. In: Duarte, C.M. & Lota, A. (eds.): Marine Ecology, Encyclopedia of Life Support Systems (EOLSS). - Eolss Publishers-UNESCO, Oxford.]Search in Google Scholar
[Radović, D., Kralj, J., Tutiš, V., Radović, J. & Topić, R. (2005): Nacionalna ekološka mreža - važna područja za ptice u Hrvatskoj. - Državni zavod za zaštitu prirode, Zagreb. ]Search in Google Scholar
[Sovinc, A. (1993): Poročilo o redkih vrstah ptic za Slovenijo 1991. - Acrocephalus 14 (58/59): 120-123.]Search in Google Scholar
[Sovinc, A. (1994): Zimski ornitološki atlas Slovenije. - Tehniška založba Slovenije, Ljubljana.]Search in Google Scholar
[Sovnic, A. (1995): Redke vrste ptic v Sloveniji v letu 1992: Poročilo Komisije za redkosti. - Acrocephalus 16 (71): 113-116.]Search in Google Scholar
[Škornik, I. (2012): Favnistični in ekološki pregled ptic Sečoveljskih solin. - SOLINE pridelava soli d.o.o., Seča.]Search in Google Scholar
[Škornik, I., Miklavec , M., & Makovec, T. (1990): Favnistični pregled ptic slovenske obale. - Varstvo narave 16: 49-99.]Search in Google Scholar
[Toomer, D.K. & Clark, N.A. (1992): The roosting behaviour of waders and wildfowl in Cardiff bay. BTO Research Report No. 89.]Search in Google Scholar
[Wanless, S., Bacon, P.J., Harris, M.P., Webb, A.D., Greenstreet, S.P.R. & Webb, A. (1997): Modelling environmental and energetic effects on feeding performance and distribution of shags (Phalacrocorax aristotelis): integrating telemetry, geographical information systems, and modelling techniques. - Journal of Marine Science 54 (4): 524-544.10.1006/jmsc.1997.0238]Search in Google Scholar
[Ward, P. & Zahavi, A. (2008): The importance of certain assemblages of birds as “information-centers” for foodfinding. - Ibis 115 (4): 517-534.10.1111/j.1474-919X.1973.tb01990.x]Search in Google Scholar
[Velando, A. (2000): The importance of hatching date for dominance in young shags. - Animal Behaviour 60 (2): 181-185.10.1006/anbe.2000.144510973719]Search in Google Scholar
[Vrezec, A. (2006): Tržaški zaliv - mednarodno morsko območje IBA / SPA? - Acrocephalus 27 (130/131): 117-119. 10.1590/S0101-73302006000100006]Search in Google Scholar