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      Emergence and dispersal of snakes after syntopic hibernation

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      Herpetozoa

      Pensoft Publishers

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          Abstract

          A communal hibernaculum situated in Southwestern Bulgaria and its adjacent area (4 km in diameter) was studied. Seven snake species used this hibernating den, Malpolon insignitus, Dolichophis caspius, Platyceps najadum, Elaphe quatuorlineata, Telescopus fallax, Vipera ammodytes and Xerotyphlops vermicularis. The emergence of the snakes was related to the rise of daily temperatures. Malpolon insignitus emerged from hibernation earlier in the spring than the other species, and most individuals were the first to leave the hibernaculum. There was a temporal segregation among the basking area in early spring, between the latter species and D. caspius, which were the two most abundant species. These two species also used the same area of the hibernaculum, in contrast to P. najadum and E. quatuorlineata, which used a different area. After spring dispersal, M. insignitus and D. caspius used the same microhabitats during the rest of the active period. The earlier emergence of M. insignitus (and earlier departure from the site) probably reduces the competition for basking sites. The early departure of the species may give advantage in the competition for optimal microhabitats with D. caspius.

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          ECOLOGY AND PHYSIOLOGY OF HIBERNATION AND OVERWINTERING AMONG FRESHWATER FISHES, TURTLES, AND SNAKES

           Gordon Ultsch (1989)
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            Winter weather affects asp viper Vipera aspis population dynamics through susceptible juveniles

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              Reproduction, Rookery Use, and Thermoregulation in Free-Ranging, Pregnant Crotalus v. viridis

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                Author and article information

                Journal
                Herpetozoa
                Herpetozoa
                Pensoft Publishers
                2682-955X
                1013-4425
                July 16 2019
                July 16 2019
                : 32
                : 149-157
                Article
                10.3897/herpetozoa.32.e37347
                © 2019

                http://creativecommons.org/licenses/by/4.0/

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