The ricefield rat is a medium-sized rat that lives in large groups consists of dominant male and high ranking female. When attacked or disturbed, they will make squeals and whistle sounds.nnSpecifications:nnThe photos shown are examples of what your specimen will approximately look like. Each skull is unique and will vary slightly in size, shape, color, etc.nAverage Skull Length 4 cm (1.5 in.)nAverage Skull Width 2 cm (0.7 in.)nAverage Skull Height 2 cm (0.7 in.)