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The diet of the Australasian harrier (Circus approximans) in the Manawatu-Rangitikei Sand Country, New Zealand

Notornis, 28 (4), 241-254

Baker-Gabb, D.J. (1981)

Article Type: Paper

Of the 477 food items identified in the diet of the Australasian Harrier (Circus approximans), mammals (46%) were the main food. Birds and their eggs (41%) were the next most numerous food, and insects (8%) and fish and frogs (5%) were in about equal numbers. Live prey was numerically more important than carrion in all seasons and especially during summer. However, the biomass of carrion eaten annually was greater than that of live prey. Food items were taken according to their availability, and not according to preferences of the predator. The legal protection of the Australasian Harrier in New Zealand is recommended.

The external morphology and taxonomic status of the orange-fronted parakeet

Notornis, 28 (4), 292-300

Nixon, A.J. (1981)

Article Type: Paper

Size and shape differences between museum specimens of the Orange-fronted Parakeet (Cyanoramphus malherbi) and the Yellow-crowned Parakeet (C. auriceps) are investigated using discriminant function analysis. No significant differences were found between the two groups, and the plotted discriminant scores show very poor separation, whereas the technique distinguishes both groups from Red-crowned Parakeets. These results support the view that C. malherbi is a colour variant of C. auriceps.

The subfossil distribution of extinct New Zealand coots Fulica chathamensis subspp. (Aves: Rallidae)

Notornis, 28 (1), 1-9

Millener, P.R. (1981)

Article Type: Paper

The mainland form of the Extinct New Zealand Coot, Fulica chathamensis prisca (Hamilton), is recorded from 11 North Island and 21 South Island localities. Two published North Island records are shown to be invalid. It is noted that the Chatham Island form, Fulica c. chathamensis (Forbes), has been recorded from 18 named localities on Chatham Island and is also present in many collections for which no more detailed locality record than “Chatham Island (s) ” is available.

New ratite from New Caledonia

Notornis, 27 (4), 407-408

Fleming, C. A. (reviewer) (1980)

Article Type: Book Review

Sylviornis neocaledoniae n.g., nsp. (Aves, Ratite eteint de la Nouvelle-Caledonie, by Poplin, Francois 1980. C.R. Acad. Sc. Paris Vol. 290, Serie D, pp. 691-694.

Bird counts in lowland forests in the Western Paparoas

Notornis, 27 (4), 335-362

Onley, D. J. (1980)

Article Type: Paper

Birds were counted in four forest areas and an area of cutover forest in early summer. Marked differences in species composition and numbers counted were found. The role of soil fertility and vegetation in determining differences is discussed. Some observations on seasonal movements are given and a comparison is made with counts made at Reefton. The implications of these findings for reserves in Westland forests is discussed.

The new guide to the birds of New Zealand

Notornis, 27 (3), 304-307

R. A. Falla, R. B. Sibson, E. G. Turbott (1980)

Article Type: Book Review

1979. pp. 247, 48 colour plates. Reviewers, D. H. Brathwaite & J. Warham

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