Rare two-headed rattlesnake found in US, The Independent
Visit to a Pennsylvania rattlesnake den
Species Profile: Copperhead (Agkistrodon contortrix)
Timber rattlesnake - Wikipedia
Two-Headed Snake Back on Public Display at Texas Zoo
Two-headed baby rattlesnake found in New Jersey Pine Barrens
Rare, two-headed rattlesnake found in forest - GulfToday
Rattlesnakes in New Jersey
Rare, two-headed rattlesnake found in New Jersey forest
Two-headed rattlesnake, named 'Double Dave', found in New Jersey, World News