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Some observations of Hutton’s shearwater

Notornis, 23 (4), 269-288

G. Harrow (1976)

Article Type: Paper

The breeding cycle and breeding range of Puffinus huttoni in the Seaward Kaikoura mountains are described. Measurements and characteristics of adult birds, their chicks and eggs at the breeding colonies are recorded. The effects of weather, moon phase, and snow on breeding and navigation are noted. Information about mortality and predation is given. Observations of P. huttoni near the New Zealand sea coast are outlined, and some historical background is presented.

Ducks’ take-off

Notornis, 23 (2), 201-201

B.R. Stanton (1976)

Article Type: Letter

Extinct rails

Notornis, 23 (1), 78-79

R.J. Scarlett; S.L. Olson (1976)

Article Type: Letter

Some observations of a communal roost of the Australasian harrier (Circus approximans gouldi)

Notornis, 23 (2), 85-89

L.A. Hedley (1976)

Article Type: Paper

A communal roost of the Australasian harrier was studied at Huntly from late January to early April 1975. The roost was situated in standing hay and extended over about 0.36 of a hectare. Most individual roosts were found clustered in groups among the most dense vegetation. Morning and evening observations showed that a consistent pattern of movement was followed. A limited amount of aerial displaying was also observed. Previously, it has been suggested that communal roosts occur when harriers gather to exploit a local food abundance. Evidence gathered from the Huntly roost indicates that this contention may not be true for all roosts.

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