Seasonal bird movement in relation to altitudinal vegetation zones in the podocarp- hardwood forests of South Westland

[Abstract of a paper read at the Ecological Society Conference, 1983.]

First paragraph:
Monthly five-minute bird counts were made for two years between 1981 and 1983 to identify birds present in forest zones from sea level to 1000 metres altitude in podocarp-hardwood forest near Franz Josef Glacier, South Westland.