Species Detail - Brown Rat (Rattus norvegicus) - Species information displayed is based on the dataset "Mammals of Ireland 2016-2025".

Terrestrial Map - 10km

Distribution of the number of records recorded within each 10km grid square (ITM).
Live Map

Marine Map - 50km

Distribution of the number of records recorded within each 50km grid square (WGS84).
Live Map

Species image

Rattus norvegicus
Rattus norvegicus
Brown Rat
N/A
Invasive Species: Invasive Species || Invasive Species: Invasive Species >> High Impact Invasive Species || Invasive Species: Invasive Species >> Regulation S.I. 477 (Ireland)
ranor
(Berkenhout, 1769)
terrestrial mammal
Species
274
123
68
31/10/2013
29/04/2023
1 January (recorded in 1969)
31 December (recorded in 1968)
Collated by the National Biodiversity Data Centre from different sources, Mammals of Ireland 2016-2025, National Biodiversity Data Centre, Ireland, Brown Rat (Rattus norvegicus), accessed 22 February 2025, <https://maps.biodiversityireland.ie/Dataset/253/Species/119483>

Records per month (across all datasets)

National Biodiversity Data Centre, Ireland, Brown Rat (Rattus norvegicus), image, accessed 22 February 2025, <https://maps.biodiversityireland.ie/Dataset/253/Species/119483>

Records per year (across all datasets)

National Biodiversity Data Centre, Ireland, Brown Rat (Rattus norvegicus), image, accessed 22 February 2025, <https://maps.biodiversityireland.ie/Dataset/253/Species/119483>