Copperheads and Cottonmouths
Pictures of Poisonous Snakes of United States
These are common dangerous
snakes found throughout their range.
Cottonmouths are large, recorded to reach 6 feet in length
with an average of 3 ½ feet. The venom of this species proves to be very
toxic. The bites are common in the Southeastern United States. Strong tissue
damage has been reported in many cases of its bites.
The venom of the Copperhead appears to be mildly toxic and fatalities are almost
unknown. Maximum length is 4 feet and an average of 2 ½ feet. Bite is very
Our thanks and gratitude to Dr. Andrew Kouloulis, noted
herpetologist, for permission to use his research and pictures provided on these
pages. Information taken from Dr. Kouloulis' Poisonous Snake Chart.