Complex sentence: The dwarf shrew ("Sorex nanus") is a species of mammal in the family Soricidae endemic to Arizona, Colorado, Montana, Nebraska, New Mexico, South Dakota, Utah, and Wyoming in the United States.
Split into simpler sentences: The dwarf shrew ("Sorex nanus") is a species of mammal in the family Soricidae. It is endemic to Arizona, Colorado, Montana, Nebraska, New Mexico, South Dakota, Utah and Wyoming in the United States.