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Eastern coachwhip

Masticophis flagellum flagellum
Masticophis flagellum flagellum.jpg
Eastern coachwhip
Masticophis flagellum flagellum
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Squamata
Suborder: Serpentes
Family: Colubridae
Genus: Masticophis
Species: M. flagellum
Subspecies: M. f. flagellum
Trinomial name
Masticophis flagellum flagellum
Shaw, 1802
Synonyms
  • Coluber flagellum
    Shaw, 1802
  • Psammophis flavigularis
    Hallowell, 1852
  • Herpetodryas flagelliformis
    A.M.C. Duméril & Bibron, 1854
  • Bascanium flagelliforme
    Cope, 1875
  • Zamenis flagelliformis
    Boulenger, 1893
  • Coluber flagellum flagellum
    Allen, 1932
  • Masticophis flagellum flagellum
    Conant, 1975

Masticophis flagellum flagellum, commonly known as the Eastern coachwhip, is a subspecies of M. flagellum, a nonvenomous, colubrid snake, endemic to the southern United States.

The subspecies ranges from North Carolina to Florida in the east, and from eastern Kansas to eastern Texas in the west. They are notably absent from the Mississippi Delta, which divides their range into two separate groupings.

Adults are long and slender, ranging from 50 to 72 inches (130–180 cm) in total length. The longest on record was 102 inches (260 cm). They are among North America's largest native snakes. The head and neck are usually black, fading to tan posteriorly. Some specimens may lack the dark head and neck pigmentation. Their smooth scales and coloration give the appearance of a braided whip, hence the common name.

The subspecies can be found in a wide variety of habitats, but is most abundant in the southeastern coastal plain. Its preferred habitat includes sandy pine woodlands, pine-palmetto flatwoods, cedar glades, and along creeks, marshes and swamplands.

The Eastern coachwhip is an active, fast-moving snake. It is diurnal and hunts it prey by smell and sight. It frequently hunts with its head raised above the ground and vegetation, and unlike most snakes, visually locks onto its prey's position before capture. Following capture, the snake swallows its prey alive. It has strong jaws with rows of small, inward slanting teeth. It has sometimes been observed to beat its prey against the ground in an apparent effort to stun it prior to swallowing. Prey items include birds, large insects, lizards, other snakes, and small mammals.


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