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The western cottonmouth (Agkistrodon piscivorus leucostoma) [2] [3] [4] was once classified as a subspecies of the cottonmouth (Agkistrodon piscivorus).However, DNA based studies published in 2008 and 2015, revealed no significant genetic difference between the eastern cottonmouth (Agkistrodon piscivorus piscivorus) and the western cottonmouth (Agkistrodon piscivorus leucostoma) and ...
A. p. piscivorus – gaping is part of the typical defensive display, the white mouth giving it the nickname "cottonmouth". A cottonmouth in water in Tennessee – the high position in the water and upward-tilted head can help distinguish it from Nerodia watersnakes such as the common watersnake, although there is substantial similarity.
Rattlesnake (probably western diamondback, but possibly timber) Texas — Shaw was bitten by a rattlesnake he was trying to kill in Bastrop County. [37] January 29, 2011 Wade Westbrook, 26, male: Copperhead: Tennessee — Westbrook was bitten just above the right elbow while handling a copperhead; he had been attempting to determine the snake's ...
The cottonmouth’s name-defining characteristic includes its white (or very pale colored) mouth. The snake’s mouth is a stark contrast to the its darker colored, thick body, N.C. Park’s ...
The eastern cottonmouth (Agkistrodon piscivorus piscivorus) [4] [5] was once classified as a subspecies of the cottonmouth (Agkistrodon piscivorus).However, DNA based studies published in 2008 and 2015, revealed no significant genetic difference between the eastern cottonmouth (Agkistrodon piscivorus piscivorus) and the western cottonmouth (Agkistrodon piscivorus leucostoma) and synonymized ...
Northwestern Costa Rica, western Nicaragua, southern Honduras. A. piscivorus (Lacépède 1798) [24] Northern cottonmouth [2] The eastern United States from extreme southeastern Virginia, south through peninsular Florida and west to Arkansas, southeastern Kansas, eastern and southern Oklahoma and eastern and central Texas.
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Troost is credited with describing, as new species, two North American reptiles: the alligator snapping turtle (Macrochelys temminckii) and the western cottonmouth (Agkistrodon piscivorus leucostoma). He is honored by having a subspecies of turtle named after him, the Cumberland turtle (Trachemys scripta troostii).