Complex sentence: Some of the resident mammals are bats, coyotes, moles, rabbits, skunks, and squirrels, and frogs, salamanders, snakes, and turtles also do well in the watershed.
Split into simpler sentences: Some of the resident mammals are bats, coyotes, moles, rabbits, skunks, and squirrels. Frogs, salamanders, snakes, and turtles also fare well in the watershed.