Birds for which the IBA is significant include Madeiran storm petrels (1,500 breeding pairs), red-billed tropicbirds (500 pairs), white-tailed tropicbirds (1,000 pairs), Ascension frigatebirds (6,000 pairs), masked boobies (1,300 pairs) and black noddies (5,000 pairs).
Several bird species are vital for the IBA, such as Madeiran storm petrels with 1,500 breeding pairs, red-billed tropicbirds with 500 pairs, white-tailed tropicbirds with 1,000 pairs, Ascension frigatebirds with 6,000 pairs, masked boobies with 1,300 pairs, and black noddies with 5,000 pairs.