The one thing that I found to be consistent with all of the puff adders was their diet. They tend to eat the rats, mice, small mammals, and ground birds. Hope this helps.
What Do Michigan Puff Adders Eat?
The michigan puff adder isn't really an adder at all it is really a hog nosed snake. It is called a puff adder because of its raising up like a cobra and puffing or hissing when threatned