Complex sentence: Reptiles also are abundant, with numerous lizards and at least 60 known species of snakes, including many pit vipers and constrictors, while at least 6 species of poisonous tree toads have been identified.
Split into simpler sentences: Reptiles also are abundant, with numerous lizards and at least 60 known species of snakes, including many pit vipers and constrictors. At least 6 species of poisonous tree toads have been identified.