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| Subject | English | German |
| reptil. | Mexican pygmy rattlesnake | Mexikanische Zwergklapperschlange (Sistrurus ravus) |
| reptil. | prairie pygmy rattlesnake | Massasauga (Sistrurus Casarea) |
| reptil. | prairie pygmy rattlesnake | Kettenklapperschlange (Sistrurus Casarea) |
| reptil. | Pygmy rattlesnake | Eigentliche Zwergklapperschlange (Sistrurus miliarius) |