Page "Swain Reefs National Park" Paragraph 2

Nine small cays, with a combined area of 9 ha, comprise the Swain Reefs Important Bird Area ( IBA ), identified as such by BirdLife International because together they support over 1 % of the world population of breeding Roseate Terns, and even larger numbers of non-breeding Roseate Terns, with up to 25, 000 individuals recorded there.

Other birds recorded on the cays include Masked and Brown Boobies, Silver Gulls, Black-naped, Sooty, Bridled, Greater Crested, Lesser Crested and Little Terns, Black and Common Noddies, and Lesser Frigatebirds.

Cays supporting seabirds include Gannet Cay ( 1. 7 ha ), Bylund Cay ( 0. 6 ha ), Thomas Cay ( 1 ha ), Bacchi Cay ( 0. 5 ha ), Frigate Cay ( 2 ha ), Price Cay ( 1. 6 ha ), Distant Cay ( 0. 25 ha ), Riptide Cay ( 0. 25 ha ) and Bell Cay ( 1. 5 ha ).