collection of herpetofauna over white

adder ammodytes animal atrox background berus brown bufo collection colored common crossed crotalus danger dangerous endangered european frog full grass herpetofauna herpetology horned isolated length meadow moldavica natrix nature over pitviper poisonous rakosiensis rattlesnake reptile sand scale snake species studio toad ursinii viper vipera white wild wildlife zoology