Rattus in a sentence

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.

Species and description A river rat A rat in a city street The best-known rat species are the black rat (Rattus rattus) and the brown rat (Rattus norvegicus).

Because Rattus rattus is a passive traveler, they could have easily traveled to Europe during the trading between Rome and southwestern Asian countries.

Black rats (Rattus rattus) were present at some time, perhaps introduced by 19th century sailors or during the nuclear tests.

Other than rats ( Rattus rattus ), all "wild" mammal species are feral descendants of domesticated species.

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).

Friends of Rattus from Canada are not impressed with Powys footpaths.

Rattus has been wondering why institutions and organisations fail.

Rattus has heard that the website where poultry keepers are supposed to now register their flocks of chickens is not fit for purpose and keeps crashing.

Our people, who collected royalties from bars, cafes, and restaurants, have done better work and paid better attention, so revenue from royalties has improved," Rattus said.

A million years ago, the rat entered Australia from New Guinea and evolved into seven species of Rattus, collectively called the "new endemics".

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).

Even after eradication of R. rattus, the negative effects may take decades to reverse.

For example, research conducted by Hoffman et al. indicates a large impact on 16 indigenous plant species directly preyed on by R. rattus.

Other fauna The only mammals native to the region are the common Polynesian rat (Rattus exulans), and the goat, but even these are tricky.

Rats such as the bandicoot rat (Bandicota bengalensis) are murine rodents related to true rats, but are not members of the genus Rattus.

R. rattus populations remained common in seaports and major cities until the late 19th century, but have been decreased due to rodent control and sanitation measures.

The mammals dog ( Canis familiaris ), brown rat ( Rattus norvegicus ), mouse ( Mus musculus ), and chimpanzee ( Pan troglodytes ) are all important model animals in medical research.

They include the Polynesian rat ( Rattus exulans ), dogs and pigs.