13
votes
What breed is this very large, black, turtle/tortoise found in the Northeast United States?
Based on this list of turtles in Massachusetts, and this one as well as the pointed nose and the jagged back shell, I am going to say that this is a common snapping turtle.
For more information I ...
10
votes
Accepted
What breed is this very large, black, turtle/tortoise found in the Northeast United States?
This is a common snapping turtle. It's not a tortoise. The biggest difference is that turtles are aquatic, spending most of their time in the water, while tortoises live on land.
As for your other ...
6
votes
Accepted
Are these tracks in the mud tortoise/turtle tracks?
This does look like some sort of turtle. Snapping turtles can easily get to the size you mention, and are fairly common. The picture doesn't give the impression the tracks are really 10 inches apart....
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animal-identification × 2turtles × 2
tortoises × 2
united-states × 1
animals × 1
animal-tracks × 1
massachusetts × 1