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   Rattus norvegicus (mammal)
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    Details of this species in Whale (Moutohora) 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:
    Widespread intermittent rat poisoning was undertaken on Whale Island between 1972 and 1977 to reduce rat numbers (Imber et al., 2000). Rattus norvegicus was eradicated from Moutohora/Whale Island between 1985 and 1986, in a programme undertaken by the New Zealand Wildlife Service (led by P. Jansen). The eradication was achieved using an aerial drop of brodifacoum (Jansen, 1993; D. Veitch, pers. comm.; J. Russell, pers. comm.).
    Location Notes:
    Whale Island (240 ha) is a dormant volcanic cone in the Bay of Plenty (Imber et al., 2000).
    Impacts:
    Predation: Rattus norvegicus preys on the eggs and chicks of the grey-faced petrel (Pterodroma macroptera gouldi) on Whale Island (Imber et al., 2000).
    Last Modified: 21/08/2006 2:19:22 p.m.


ISSG Landcare Research NBII IUCN University of Auckland