Rattus

(redirected from Rattus norwegicus)
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Noun1.Rattus - common house rats; upper incisors have a beveled edge
mammal genus - a genus of mammals
family Muridae, Muridae - originally Old World rats now distributed worldwide; distinguished from the Cricetidae by typically lacking cheek pouches
brown rat, Norway rat, Rattus norvegicus - common domestic rat; serious pest worldwide
black rat, Rattus rattus, roof rat - common household pest originally from Asia that has spread worldwide