#4 Yawancin wakilan nau'in nau'in suna da launin fari mai launin fari.
Ana hange wannan launin farin gashi tare da faci na launuka daban-daban - akwai ba kawai Rat Terriers masu launuka biyu ba har ma da Rat Terriers masu launuka uku.
#5 Tabo na iya zama launuka daban-daban.
Launuka masu yuwuwa sune misali apricot, lemo, shuɗi, launin ruwan cakulan, kirim, azurfa, da baki. Launin gashin sa yana kama da na Parson Russell Terrier.