. Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn. Biology; Zoology. Food of the feral cat on El Hierro 3. EL HIERRO Er1:400 000 Fig. 1: Localization of the study area. Results and discussion The analysis of the scats yielded a total of 1029 prey items (Tab. 1). The dietary spectrum of the feral cats in the study area is based mainly on in- troduced mammals (rabbits, mice & rats) which appear in °/o of the scat groups and represent % of the consumed biomass. With a frequency of occurrence of %, the rabbit constitut
. Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn. Biology; Zoology. Food of the feral cat on El Hierro 3. EL HIERRO Er1:400 000 Fig. 1: Localization of the study area. Results and discussion The analysis of the scats yielded a total of 1029 prey items (Tab. 1). The dietary spectrum of the feral cats in the study area is based mainly on in- troduced mammals (rabbits, mice & rats) which appear in °/o of the scat groups and represent % of the consumed biomass. With a frequency of occurrence of %, the rabbit constitutes the fundamental prey accounting for % of the total diet biomass. The dietary dependance of feral cats on Oryctolagus cuniculus when this species is abundant, has been indicated in various publications. For example on Macquarie Island (Subantarctic), rabbit remains were found in 82 °/o of scats and 71 % of gut samples (Jones 1977). Rabbits are also important components of the diet of Felis catus in semideveloped and developed areas of agricultural land of Victoria (Australia) (Coman & Brunner 1972) and in the pine forest of Gran Canaria, Canary Islands (Santana et al. 1986). On Kerguelen (Subantarctic), rabbits appeared in 35 % (1970), °7o (1976) and % (1977) of the stomachs analyzed (Derenne 1976; Pascal 1980). As regards the Muridae, it is interesting to note that mice (Mus sp., probably musculus) represent an important complementary contribution to the biomass ( Vo) being furthermore, the most frequently captured species ( %) appearing. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Zoologisches Forschungsinstitut und Museum Alexander Koenig. Bonn : Das Forschungsinstitut
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