Noun
common household pest originally from Asia that has spread worldwide
Source: WordNetAll other habitat variables showed little to no correlation. citation While this species' relative, the brown (Norway) rat prefers to nest near the ground of a building the black rat will prefer the upper floors and roof. 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
In addition to agility, the black rat also uses its keen sense of hearing to detect danger and quickly evade mammalian and avian predators. Source: Internet
In many cases, after the black rat is introduced into a new area, the population size of some native species declines or goes extinct. Source: Internet
It is his party that is believed to have inadvertently introduced the black rat to the island. Source: Internet
Predators and diseases The black rat is prey to cats and owls in domestic settings. Source: Internet