Complex sentence: A white buffalo or white bison is an American bison possessing white fur, and is considered sacred or spiritually significant in several Native American religions; therefore, such buffalo are often visited for prayer and other religious rituals.
Split into simpler sentences: A white buffalo or white bison is an American bison possessing white fur, and is considered sacred or spiritually significant in several Native American religions. Such buffalo are therefore often visited for prayer and other religious rituals.