Introduction of mammalian seed predators and the loss of an endemic flightless bird impair seed dispersal of the New Zealand tree <i>Elaeocarpus dentatus</i>.

Their large gape and frequent consumption of fruit suggests they may be significant seed dispersers (Carroll, 1963 ; Coleman, Warburton, & Green, 1983 ), but their predatory impacts on other native fauna have led to them becoming regarded negatively by conservationists (Miskelly & Beauchamp, 2004 ).

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