Common Coachwhip
Masticophis flagellum
Spanish: Cuije / Chirrionera

Masticophis flagellum is a species of nonvenomous colubrid snake, commonly referred to as the coachwhip or the whip snake, which is endemic to the United States and Mexico. Seven subspecies are recognized, including the nominotypical subspecies.
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Cite as: “Common Coachwhip (Masticophis flagellum) at La Saladita”, La Saladita Field Guide, lasaladita.com/species/masticophis-flagellum/, updated 2026-09-26. Observation counts and months come from iNaturalist research-grade records within about 50 km of 17.8375°N, 101.7606°W (the survey box also takes in Zihuatanejo, Ixtapa and Troncones); summary text from Wikipedia where present.