
Coachwhip
Coluber flagellum • Order: Squamata, Suborder: Serpentes, Family: Colubridae, Subfamily: Colubrinae, Genus: Coluber, Species: C. flagellum
Found throughout the southern United States and northern Mexico, ranging from coast to coast across arid and semi-arid regions.
Look up Coachwhip in the Snake Encyclopedia →Family
Order: Squamata, Suborder: Serpentes, Family: Colubridae, Subfamily: Colubrinae, Genus: Coluber, Species: C. flagellum
Conservation
Listed as Least Concern on the IUCN Red List, though local populations face habitat fragmentation, road mortality, and intentional persecution.
Physical Description
Slender body with light brown to tan coloration, distinctive dark head and neck markings with pale facial bars, large eyes with round pupils, and prominently keeled or textured dorsal scales giving a braided appearance resembling a whip.
Size & Dimensions
The specimen shown is likely a subadult or young adult approximately 75 to 100 cm in length. Typical adult size ranges from 100 to 180 cm, with a maximum recorded length exceeding 240 cm.
Habitat
Prefers open country, prairies, scrublands, deserts, and agricultural fields, often utilizing sandy soils, brushy areas, and sparse woodlands at elevations from sea level up to over 2,000 meters.
Diet & Feeding
Actively forages during daylight hours to feed on a wide variety of prey including rodents, lizards, small birds, frogs, and other snakes, utilizing speed and keen vision to locate prey.
Reproduction
Oviparous species that mates in spring, with females depositing clutches typically ranging from 4 to 24 eggs in subterranean burrows, decaying logs, or under rocks during early summer.
Look-alikes
Frequently confused with other racer species (Coluber constrictor) and whip snakes (Masticophis spp.), distinguished primarily by head markings, scale texture, and subtle variations in dorsal coloration.
Conservation Status
Listed as Least Concern on the IUCN Red List, though local populations face habitat fragmentation, road mortality, and intentional persecution.
Cultural Significance
Plays a vital ecological role as an apex daytime predator controlling rodent and insect populations, though historically featured in folklore regarding exaggerated aggressive behaviors.
Notable Features
Remarkable exceptional speed during daytime movement, acute eyesight, and a distinct coloration gradient where scales darken toward the head, mimicking the look of a braided leather whip.