Statewide Status of the Timber Rattlesnake
The Timber Rattlesnake (Crotalus horridus) is a native species to all six New England states, having colonized from the south as far as the White Mountains and Lake Champlain during a warm period following the glacial retreat. In Massachusetts, the Timber Rattlesnake was formerly widespread and locally abundant in Essex, Middlesex, Worcester, Suffolk, Norfolk, Franklin, Hampshire, Hampden, and Berkshire Counties until the late-19th century.