. Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn. Biology; Zoology. Fig. 2. Calotes versicolor from the Mombasa railway station. (11. ; photo H. Sanderová).. Fig. 3. Calotes versicolor from the Mombasa railway station. (21. ; photo M. Sandera). lance of the potential population of the Calotes agamas in Kenya. Their impact on the local herpetofauna (name- ly on other lizards) and on invertebrate fauna should al- so be investigated. The garden lizard could represent an invasive species in Kenya with negative ecological
. Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn. Biology; Zoology. Fig. 2. Calotes versicolor from the Mombasa railway station. (11. ; photo H. Sanderová).. Fig. 3. Calotes versicolor from the Mombasa railway station. (21. ; photo M. Sandera). lance of the potential population of the Calotes agamas in Kenya. Their impact on the local herpetofauna (name- ly on other lizards) and on invertebrate fauna should al- so be investigated. The garden lizard could represent an invasive species in Kenya with negative ecological im- pacts. DiONG et al. (1994) have pointed out to the fact that in Singapore it has somewhere displaced the native Bron- chocela cristatella. Mauremootoo et al. (2003) include C. versicolor in the list of introduced vertebrates with a significant impact on native biodiversity in Mauritius, namely geckos, and consumes native invertebrates. Vin- son (1968) assumed that C. versicolor may have been re- sponsible for the disappearance or decrease of phasmids in Réunion and Mauritius. Similar findings of introduced or dragged Calotes versi- color from other countries can also be expected in other places beside Africa. Acknowledgements. We thank H. Sanderová and M. Lazurková for providing us with photographs. The travel to Kenya was sup- ported from the Museum of Nature Bohemian Paradise, and DNA analysis together with the symposium De Agamis costs were covered by the Research Plan of the Ministry of Educa- tion, Youth and Sports of the Czech Republic 0021620828. References Böhme, W., Wagner, P., Malonza, P., Lötters, S. & J. Köh- ler (2005): ANew Species of the Agama agaiiia Group (Squa- mata: Agamidac) from Western Kenya. Russian Journal of Herpetology 12 (2): 142-150. Burbrink, R T, Lawson, R. & J. B. Slowinski (2000); Mito- chondial DNA phylogeography of the polytypic North Amer- ican rat snake (Elaphe obsoleta): A critique of subspecies con- cept. Evolution 54;
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