Two-headed rattlesnake found in New Jersey
New Jersey Snakes - Common and Venomous Snakes of New Jersey, New Jersey Hudson County
Rare two-headed snake, 'Double Dave', found in US - BBC News
Two-headed rattlesnake, named 'Double Dave', found in New Jersey, World News
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Two-headed rattlesnake found in New Jersey
Two-headed rattlesnake 'Double Dave' rescued from certain death by scientists - Daily Star
Northern copperhead Smithsonian's National Zoo
Two-Headed Timber Rattlesnake Discovered in Nearby Pine Barrens - The SandPaper
Snake Removal in Edison, Somerset, Lakewood, NJ
Woman Finds Rare Two-headed Snake Inside North Carolina Home
Snakes Outside Boston: Reporter's Notebook - The New York Times
2 Snakes To Know On Your Walks, Jogs And Hikes Around NJ