«They hardly ever come onto land, and they don't swim in seawater either,» he says, which helps explain how a distinct species arose, in the case of
the Suwannee alligator snapping turtle, in just one river.
«There are no
alligator snapping turtles in the seven rivers between the
Suwannee and Ochlockonee (Aucilla, Econfina, Fenholloway, Saint Marks, Steinhatchee, Wacissa and Wakulla).