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House Rat
Rattus rattus
Abstract
House Rat Rattus rattus has most recently been assessed for The IUCN Red List of Threatened Species in 2022. Rattus rattus is listed as Least Concern.
The Red List Assessment
Amori, G. 2024. Rattus rattus (Europe assessment). The IUCN Red List of Threatened Species 2024: e.T19360A221783887. Accessed on 04 January 2026.
Last assessed
28 December 2022
Scope of assessment
Europe
Population trend
Unknown
Number of mature individuals
Habitat and ecology
Shrubland, Artificial/Terrestrial
Geographic range
-
Extant (resident)
-
Extant & Introduced (resident)
Assessment Information
Europe Assessment
IUCN Red List Category and Criteria - Europe Assessment
Date assessed
28 December 2022
Year published
2024
Assessment - EU27 (post 2020)
IUCN Red List Category and Criteria - European Union Assessment
Assessment Information in detail
Geographic Range
Extant & Introduced (resident)
Albania; Andorra; Austria; Belarus; Belgium; Bosnia and Herzegovina; Bulgaria; Croatia; Cyprus; Czechia; Estonia; France; Germany; Greece; Hungary; Ireland; Italy; Latvia; Liechtenstein; Lithuania; Luxembourg; Malta; Moldova; Montenegro; Netherlands; North Macedonia; Poland; Portugal; Romania; Russian Federation (European Russia); Serbia; Slovenia; Spain; Switzerland; Türkiye (Türkiye-in-Europe); Ukraine; United Kingdom
Extinct & Introduced
Norway; Slovakia; Sweden
Presence Uncertain & Introduced
Denmark
Number of locations
Upper elevation limit
Lower elevation limit
Geographic Range in detail
Population
Current population trend
Number of mature individuals
Population severely fragmented
No
Continuing decline of mature individuals
Population in detail
Habitat and Ecology
System
Habitat type
Generation length (years)
Congregatory
Movement patterns
Continuing decline in area, extent and/or quality of habitat
Habitat and Ecology in detail
Threats
Threats in detail
Use and Trade
Use and Trade in detail
Conservation Actions
In-place land/water protection
- Conservation sites identified : Yes, over entire range
- Occurs in at least one protected area : Yes
Conservation Actions in detail
Acknowledgements
Acknowledgements in detail
Bibliography
Red List Bibliography
External Data
Images and External Links
Images and External Links in detail
CITES Legislation from Species+
Data source
The information below is from the Species+ website.
CITES Legislation from Species+ in detail
Ex situ data from Species360
Data source
The information below is from Species360's Zoological Information Management System (ZIMS)
Ex situ data from Species360 in detail
Studies and Actions from Conservation Evidence
Data source
The information below is from the Conservation Evidence website.