The influence of browsing by introduced mammals on the decline of North Island kokako

The diet of the North Island kokako (Callaeas cinerea wilsonii) was studied in three central North Island habitats, Pureora, Mapara, and Rotoehu, for three years. Possum (Trichosurus vulpecula) diet was less intensively studied for part of the same time i

Author J. R. Leathwick, J. R. Hay and A. E. Fitzgerald
Year 1983
Secondary title New Zealand Journal of Ecology
Volume 6
Pages 55-70