It is believed that populations have been reduced to zero compared with 1995 data. According to the Mammal Society’s 2018 study, no population estimates have been calculated for this species, but it is known to live in a number of different habitats. Number of embryos correlate to mother’s weight.Ĭonservation Status: Pest control has led to the widespread eradication of the non- native black rat. Predators are domestic cats, common rat thought to kill individuals if in shared range as seen on Lundy island.īreeding: Females sexual mature at 90 days. General Ecology: Tend to nest in buildings. On island of Lundy, less animal remains found in faeces than that of the common rat.
As it only lives in houses it is easier to eradicate.ĭiet: Omnivore but mainly vegetarian mainly in favor of fruit and agricultural crops. Not recorded in many cities for decades for example, it has not been seen in Manchester since 1978 and Liverpool & Glasgow since 1983. Origin and distribution: Introduced to UK in Roman times. Skin and bristles on tail uniformly dark grey to black. But can be completely black, or grey and white underneath.
On islands such as Lundy, and Shiants will occupy rocks and cliffs.ĭescription: Typically grey-brown above and pale grey underneath. Likes cavities in walls, wall paneling and false ceilings. Habitat: In UK mainly restricted to dockland warehouses, food processing plants, supermarkets, restaurants and other large buildings.
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