Ábrahám Levente (szerk.): Válogatott tanulmányok V. - Natura Somogyiensis 17. (Kaposvár, 2010)
LANSZKI, J., MÓROCZ, A. & CONROY, J. W. H.: A vidra (Lutra lutra) kora tavaszi táplálék-összetétele a Gemenci Tájegység (Duna-Dráva Nemzeti Park, Magyarország) természetes élőhelyein
316 NATURA SOMOGYIENSIS Fig. 1: Geographie locality of oxbow lakes studied in the Gemenc Area, Hungary 1 - Taplósi-Holt-Duna (or TD), 2 - Holt-Sió (or HS), 3 - Hátfői kobolya (or HK), 4 - Decsi-Kis-Holt-Duna (or DD), 5 - Nyéki Holt-Duna (or ND), 6 - Bátai Holt-Duna (or BD). The Eurasian otter (Lutra lutra Linnaeus, 1758) is a piscivorous top predator, inhabit a wide variety of wetland habitats across Europe (CONROY & CHANIN 2002), provided the fish supply is sufficient and waterside vegetation gives sufficient cover ( ERLINGE 1967, KRUUK 1995). In Hungary, the most important otter habitats are ponds, oxbow lakes (or backwaters) and rivers as fish are generally available throughout the year in these areas (KEMENES & DEMETER 1995, review: LANSZKI 2009). Reedbeds, shrubs and waterside forests usually surround such areas, all representing suitable habitat for otters. Although, the species is found throughout the wetlands of the Gemenc Area (BITE 2006, LANSZKI 2009), the diet composition and feeding habits of the otter are little known from this specific area. The aim of this study was to examine differences in the early spring diet composition and feeding habits of otters living on six oxbow lakes along the Danube. Material and methods Study areas During April 2007, the diet composition of otters was studied in six oxbow lakes in the Gemenc Area of the Danube-Drava National Park (Fig. 1 , between 46° 21' - 46° 10' N and 18° 45' - 18° 52' E), These were:
