The wandering albatross breeds every other year. The breeding "language" of the Amsterdam albatross is similar to that of the wandering albatross. Other birds include black-faced sheathbills, petrels, and albatross, including the wandering albatross. The IUCN lists the wandering albatross as vulnerable status. Together with the Amsterdam albatross, it forms the wandering albatross species complex. Wandering Albatross population counts are conducted annually. Wandering Albatross ("Diomedea exulans") and Southern Giant Petrel ("Macronectes giganteus").