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   Rattus norvegicus (mammal)
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    Details of this species in Rakino Is.
    Status: Alien
    Invasiveness: Invasive
    Occurrence: Eradicated
    Source: Island Conservation and Ecology Group, 2004
    Arrival Date:
    Introduction:
    Species Notes for this Location:
    Management Notes for this Location:
    An attempt to eradicate Rattus norvegicus from Rakino Island was made in 1992 by the Auckland Regional Council, but was not successful (I. McFadden, pers. comm.; J.Russell, pers. comm.). A further attempt was made in 2002 by the Rakino Ratepayers Association (led by George Wilson and John McKenzie), using brodifacoum, successfully eradicated Norway rats from Rakino Island. Non-target species included some passerines and scavengers. Residents maintain tracking tunnels and gnaw sticks on the island to prevent reinvasion (J. Russell, pers. comm.).
    Location Notes:
    The vegetation of Rakino Island (148 ha) is primarily grassy.
    Impacts:
    Predation: Rattus norvegicus was probably responsible for extirminating the grey-faced petrel from Rakino Island (ARC, 2002).
    Last Modified: 21/08/2006 2:36:06 p.m.


ISSG Landcare Research NBII IUCN University of Auckland