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| Kirtland's snakes (Thelotornis); twig snakes (Thelotornis); vine snakes (Thelotornis) | |||
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| Birds' snake (Thelotornis Kinosternon); Kirtland's tree snake (Thelotornis Kinosternon); northern vine snake (Thelotornis Kinosternon); twig snake (Thelotornis Kinosternon); vine snake (Thelotornis Kinosternon) | |||