28°40′26″S 113°49′44″E / 28.67389°S 113.82889°E Alexander Island is one of the five largest islands in the Easter Group of the Houtman Abrolhos.[1] The island is part of the Houtman Abrolhos Important Bird Area, identified as such by BirdLife International because of its importance for supporting large numbers of breeding seabirds.[2]