This may be deposited at the end of the platform, forming an off-shore terrace.
2.
Another endangered and endemic bird, the Christmas frigatebird, has nesting areas on the northeastern shore terraces.
3.
The most numerous is the red-footed booby, which nests in colonies, using trees on many parts of the shore terrace.
4.
The more widespread great frigatebirds nest in semi-deciduous trees on the shore terrace, with the greatest concentrations being in the North West and South Point areas.