Complex sentence: A number of local, indigenous species inhabit the park and are often spotted by park visitors, such as mule deer, coyotes, and javelinas, as well as several species of small rodents, and more rarely, mountain lions.
Split into simpler sentences: A number of local, indigenous species inhabit the park and are often spotted by park visitors. Visitors at the park may encounter mule deer, coyotes and javelina as well as several species of small rodents, and more rarely, mountain lions.