lizards; sympatry; ecological niche; home range

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Glandt D. (1987), «Substrate choice of the sand lizard», in: Proc. of the 4^th Ord. Gen. Meet. Soc. Eur. Herpetol., Nijmegen, pp. 143 – 146.

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Shenbrot Yu. G. (1986), «Niche: methods of study», in: Methods of Study Ecology and Ethology, Pushchino, pp. 76 – 93 [in Russian].

Strijbosch H. (1986), «Niche segregation in sympatric Lacerta agilis and Lacerta vivipara», in: Studies in Herpetology, pp. 449 – 454.

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Zamolodchikov D. G. and Avilova K. V. (1989), «Data in Lacerta vivipara at marsh habitats of Western Moscow region», in: Amphibians and Reptiles of Moscow Region, Moscow, pp. 140 – 148 [in Russian].