Public Domain Picture: This photograph depicted a dorsal oblique view of a 'western cottonmouth' snake Agkistrodon piscivorus leucostoma. The cottonmouth snakes di

By: CDC/ Edward J. Wozniak D.V.M., Ph.D., Michael Smith, Courtesy: Public Health Image Library

Views: 1,348 | Downloads: 6

This photograph depicted a dorsal oblique view of a 'western cottonmouth' snake Agkistrodon piscivorus leucostoma. The cottonmouth snakes di

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This photograph depicted a dorsal oblique view of a 'western cottonmouth' snake Agkistrodon piscivorus leucostoma. The cottonmouth snakes di

Description:

This photograph depicted a dorsal oblique view of a 'western cottonmouth' snake Agkistrodon piscivorus leucostoma. The cottonmouth snakes display a distinct two-tone coloration, the spade-like shaped head, a lateral positioning of the eyes, vertically elliptical pupils, cheek stripes, and loreal pits. All of the American copperheads, cottonmouths and rattlesnakes are members of the family 'viperidae'. The western cottonmouth is the smallest, but most widely distributed cottonmouth subspecie. The dorsal body is patterned with 10 to 15 dark cross-bands similar to the other two subspecies, but often tends to darken at an early age. The top and sides of the snout are usually uniformly dark brown to black with no visible pattern except in juveniles. When visible, the upper side of the dark cheek stripe often lacks the contrasting light borders that are characteristic of the Florida and eastern subspecies (Gloyd and Connant, 1990).

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CDC/ Edward J. Wozniak D.V.M., Ph.D., Michael Smith

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Public Health Image Library

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