Sweetwater2015_2_JMcArthur-5549

Even after decapitation rattlesnakes can continue to writhe and curl into one another. Their heads retain sentience for as much as an hour after being separated from their bodies. Photo by Jo-Anne McArthur.

Even after decapitation rattlesnakes can continue to writhe and curl into one another. Their heads retain sentience for as much as an hour after being separated from their bodies. Photo by Jo-Anne McArthur.