The common watersnake is a species of large, nonvenomous, common snake in the family Colubridae. The species is native to North America. It is frequently mistaken for the venomous cottonmouth.
Northern watersnake basking west of Ottawa, Ontario
N. s. sipedon eating fish
Mature northern watersnake sunning itself near Battersea, Ontario
Snakes are elongated legless reptiles of the suborder Serpentes. Cladistically squamates, snakes are ectothermic, amniote vertebrates covered in overlapping scales much like other members of the group