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158 colubrid snakes species
Sonora straminea
Sonora cincta
Heterodon simus
Thamnophis hammondii
Drymarchon couperi
Oxybelis aeneus
Coronella austriaca
Cemophora coccinea
Boiga irregularis
Thamnophis cyrtopsis
Thamnophis marcianus
Thamnophis gigas
Thamnophis eques
Tantilla oolitica
Tantilla cucullata
Tantilla coronata
Tantilla planiceps
Salvadora bairdi
Pituophis ruthveni
Nerodia taxispilota
Nerodia paucimaculata
Nerodia rhombifer
Masticophis schotti
Leptodeira annulata
Lampropeltis elapsoides
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