Original sentence: They live together in small groups and mark their territory with scent glands, driving out intruders by shouting or by facial expressions (lowered eyes and kung-fu posistion).They reach a size of 18 to 28 cm and weigh from 300 to 400 g
Edited sentence: They live together in small groups and mark their territory with scent glands, driving out intruders by shouting or by facial expressions (lowered eyes and kung-fu position).They reach a size of 18 to 28 cm and weigh from 300 to 400 g