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Gibb, J. A. (2000). Activity of birds in the Western Hutt Hills, New Zealand. Notornis, 47(1), 13-35.
Gibb, J. A. (2000). Dawn to dusk counts of common or garden birds, Wellington, New Zealand. Notornis, 47(4), 184-191.
Gibb, J. A. (1996). First seen or first heard? A useful distinction when counting forest birds. Notornis, 43(1), 7-13.