Complex sentence: The eastern harvest mouse is one of the smallest rodents in the world with an adult weight of 6.5 to 12 g. Whitaker 285 They are distinguished from the house mouse and those in the genus "Peromyscus" by their deeply grooved upper incisors.
Split into simpler sentences: The eastern harvest mouse is one of the smallest rodents in the world. Its adult weight range is 6.5 to 12 g. Whitaker 285 They are distinguished from the house mouse and those in the genus "Peromyscus" by their deeply grooved upper incisors.