Rattus rattus

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Rattus rattus - Staatliches Museum für Naturkunde Karlsruhe, Germany (click to enlarge)
Author: H. Zell
Source: Wikimedia Commons

Rattus rattus (Linnaeus) - (black rat)
is one of the most common vertebrate pests with a world-wide distribution. Even remote islands have been invaded when the rat followed human visitors and settlers. The black rat is very important as a storage pest and as a reservoir of human diseases, which includes lethal diseases like the bubonic plague. The origin of the species might have been Asia, but it is known from Europe since prehistoric times. Rodenticides in form of baits are the only practical control option.

The typical adult is about 35-40 cm long, slightly smaller than the brown rat, see below for other differences. This includes the tail which is approximately as long as the body. The colour is mostly black but different color forms exist. A pregnancy lasts about 3-4 weeks and will usually produce a litter size of 5-10.


Vernacular names
• Deutsch: Hausratte
Dachratte
• English: black rat
roof rat
ship rat
• Français: rat noir


For details see the respective page in Wikipedia.

The literature database currently contains 216 publications for Rattus rattus. (See box above/on left.)