Noun
common house rats; upper incisors have a beveled edge
Source: WordNetA million years ago, the rat entered Australia from New Guinea and evolved into seven species of Rattus, collectively called the "new endemics". Source: Internet
Because Rattus rattus is a passive traveler, they could have easily traveled to Europe during the trading between Rome and southwestern Asian countries. Source: Internet
Description Comparison of the physique of a black rat (Rattus rattus) with a brown rat (Rattus norvegicus) The fur is coarse and usually brown or dark grey, while the underparts are lighter grey or brown. Source: Internet
Chickens were spread by Polynesian seafarers and reached Easter Island in the 12th century AD, where they were the only domestic animal, with the possible exception of the Polynesian rat (Rattus exulans). Source: Internet
For example, research conducted by Hoffman et al. indicates a large impact on 16 indigenous plant species directly preyed on by R. rattus. Source: Internet
Predators outside the cane toad's native range include the whistling kite (Haliastur sphenurus), the rakali (Hydromys chrysogaster), the black rat (Rattus rattus) and the water monitor (Varanus salvator). Source: Internet