4. Rubber Boa
Rubber Boa is the only species of Boa native to Canada (more specifically, The Northern Boa).
The Northern Rubber Boa is a short snake with a short blunt tail. The head is rounded, blunt, and not distinguishable from the neck.
It is Brown and rubbery in appearance. In adults, the back and sides are uniformly brown, although sometimes tinged with grey, yellow or green, and the underside is yellow. The body scales are small and smooth, giving the appearance of rubber.
The Northern Rubber Boa is the only species of Boa from the ancient family Boidae in Canada. There are only two species of Boidae family living outside the tropics and subtropics. The Northern Rubber Boa is one of these two special species.