Using a photo from the city, the state herpetologist identified it as a northern watersnake, a much more common, nonvenomous snake. The post Report of rare venomous snake in Mass. city likely ‘a case of misidentification,

The snake, believed to be a rare copperhead, was reported along Attleboro’s Ten Mile River near Milk Street, officials wrote.

Venomous snake warning in Massachusetts city after dogs attacked 02:11. The Attleboro, Massachusetts community is being extra cautious after first responders say a copperhead snak