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   Rattus norvegicus (mammal)
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    Details of this species in Hawaii
    Status: Alien
    Invasiveness: Invasive
    Occurrence: Reported
    Source: SPREP, 2000
    Arrival Date: 1825-1835
    Introduction:
    Species Notes for this Location:
    Recorded from Kaua'i, O'ahu, Moloka'i, Lan'i, Maui, and Hawai'i. May occur in the few smaller islands where permanent human settlements are present; known also from Ford Island in Pearl Harbour. …sometimes locally common in and about lowland sugar cane fields ... also middle elevation planted forests ... Extreme known elevation is 5,800 feet... (Tomich, 1986; 40-41).
    Management Notes for this Location:
    Location Notes:
    Impacts:
    Predation: Rattus norvegicus in Hawaii are thought to be responsible for suppressing seed regeneration of endemic plants, reducing populations of native snails, and significantly limiting breeding success of many native birds (Pitt, 2004).
    Last Modified: 6/01/2005 12:42:33 p.m.


ISSG Landcare Research NBII IUCN University of Auckland