A GPS survey of seabirds on Heard Island during the Australian Antarctic Program's 2000/01 expedition. This layer is stored as two datasets (polygon and point) in the Geographical Information System (GIS). Polygon data represent flying bird and penguin colony extents. Point data represent nest locations and the location of the observation point for flying birds and penguins.

A GPS survey of seabirds on Heard Island during the Australian Antarctic Program's 2003/04 expedition. This layer is stored as two datasets (point and polygon) in the Geographical Information System (GIS). Data represent flying bird and penguin colony extents and nesting sites.