... observed in Peromyscus truei, and he summarized earlier work by Collins with Peromyscus maniculatus. In P. maniculatus a grayish juvenal pelage is replaced by a postjuvenal pelage in which the hairs are longer and have longer, pale, terminal or subterminal bands giving a paler and more buffy or ochraceous hue to the dorsal pelage. The postjuvenal pelage is replaced by an adult pelage that is either brighter or, in some cases, is not distinguishable with certainty from the postjuvenal pelage. Not only is the juvenal pelage distinguishable ... — Mammals of Mesa Verde National Park, Colorado • Sydney Anderson