The Herpetological Journal
The Herpetological Journal is the Society's prestigious quarterly scientific journal. Articles are listed in Biological Abstracts, Current Awareness in Biological Sciences,Current Contents, Science Citation Index, and Zoological Record.
ISSN 0268-0130
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pdf 02. Variation between populations in the diet of the Mediterranean lizard Lacerta perspicillata
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pp. 107-113
Authors: Perera, A.; Pérez-Mellado, V.; Carretero, M. A. & Harris, D. J.
Abstract: We examined the diet of Lacerta perspicillata in populations from different localities, thus providing the first quantiative data on the diet of this species. Five continental populations in Morocco located at different altitudes and an introduced insular population were analysed during April. Our results confirm that L. perspicillata is an insectivorous species and those found at medium altitudes with comparable ecological conditions in Morocco have a similar diet. In Taza, however, both sympatric L. perspicillata forms have different diets. The most varied diets were observed at high altitude and in insular populations. Local diet variability is probably more related to different ecological conditions and, consequently, changing trophic availability than to lizard body size or other morphological or behavioural constraints. Further studies, including studies on trophic availability and seasonal variation, could confirm our preliminary results on local differences in the dietary habits of this species and the potential role of insularity.
Keywords: FEEDING ECOLOGY, ALTITUDE, INSULARITY, LACERTIDAE
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