 Some islands still have their original subantarctic vegetation, including Kerguelen cabbages, lyallia cushions and Moseley's buttercups.They are of particular interest because of their large populations of blue and grey petrels.Other birds breeding in the IBA include Kerguelen, great-winged, white-chinned and white-headed petrels, Antarctic and slender-billed prions, Wilson's and grey-backed storm petrels, South Georgia and common diving petrels, Kerguelen shags, black-faced sheathbills, brown skuas and Kerguelen terns.