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Feeding frequency, meal size and chick growth in Pycroft's petrel (Pterodroma pycrofti) : preparing for chick translocations in Pterodroma species
(Ornithological Society of New Zealand, 2004)
Many Pterodroma species are threatened, and translocations to predator-free islands are desirable for several species. As these birds are highly philopatric, only chicks that have not yet imprinted on their natal colony ...
Westland petrels and hoki fishery waste: opportunistic use of a readily available resource?
(Ornithological Society of New Zealand, 2002-09)
The importance of fisheries waste in the diet of Westland petrels (Procellaria westlandica) was assessed using 3 different techniques. Dietary studies showed that during the hoki (Macruronus novaezelandiae) fishing season ...
Propagule size and the relative success of exotic ungulate and bird introductions to New Zealand
(The University of Chicago Press for The American Society of Naturalists, 2001-06)
We investigated factors affecting the success of 14 species of ungulates introduced to New Zealand around 1851-1926. The 11 successful species had a shorter maximum life span and were introduced in greater numbers than the ...