Summary description from Wikipedia:

Thamnophis cyrtopsis in languages:

Danish

Sorthalset Strømpebåndssnog

English

Black-necked Gartersnake

English

Blackneck Garter Snake

English

Black-necked Garter Snake

German

Gefleckte Strumpfbandnatter

Portuguese

Cobra-liga-de-pescoço-preto

Russian

Пятнистая подвязочная змея

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Parent Taxon

• Thamnophis

Sibling Taxa

• Thamnophis atratus
• Thamnophis bogerti
• Thamnophis brachystoma
• Thamnophis butleri
• Thamnophis chrysocephalus
• Thamnophis conanti
• Thamnophis copei
• Thamnophis couchii
• Thamnophis cyrtopsis
• Thamnophis elegans
• Thamnophis eques
• Thamnophis errans
• Thamnophis exsul
• Thamnophis foxi
• Thamnophis fulvus
• Thamnophis gigas
• Thamnophis godmani
• Thamnophis hammondii
• Thamnophis lineri
• Thamnophis marcianus
• Thamnophis melanogaster
• Thamnophis mendax
• Thamnophis nigronuchalis
• Thamnophis ordinoides
• Thamnophis postremus
• Thamnophis proximus
• Thamnophis pulchrilatus
• Thamnophis radix
• Thamnophis rossmani
• Thamnophis rufipunctatus
• Thamnophis saurita
• Thamnophis scalaris
• Thamnophis scaliger
• Thamnophis sirtalis
• Thamnophis sumichrasti
• Thamnophis unilabialis
• Thamnophis validus

Child Taxa

• Thamnophis cyrtopsis collaris
• Thamnophis cyrtopsis cyrtopsis
• Thamnophis cyrtopsis ocellatus

Top Observation Places

• Guanajuato
• Hermosillo
• San Marcos
• Austin
• Round Rock
• Cedar Park
• Georgetown