Complex sentence: Among the wildlife of the park are the gopher tortoise, eastern indigo snake, butterflies, turtles, gray squirrels, marsh rabbits, opossums and non-poisonous snakes, as well as more than 200 species of wading birds, hawks, and ducks.
Split into simpler sentences: Among the wildlife of the park are the gopher tortoise, eastern Indigo_Snake, butterflies, and turtles. Visitors also can see gray squirrels, marsh rabbits, and opossums, as well as more than 200 species of wading birds, hawks, and ducks.