Finally, they produce a stomach oil made up of wax esters and triglycerides that is stored in the proventriculus.

[3] They also have a salt gland that is situated above the nasal passage and helps desalinate their bodies, due to the large amount of ocean water that they imbibe.

Its underwing is white with a black tip, with a broad sharply demarcated dark band at the leading edge.

[8] The Buller's albatross is colonial, nesting generally on cliffs, steep coastal terraces, grassy meadows, and tussock covered hills.

[8] The nest is mound of soil, grass and roots and is set into depressions in the breeding area.

[13][14][15][16][17] Juveniles and adults that aren't breeding disperse across the South Pacific with a number feeding every year in the Humboldt Current off Chile and Peru.

[22] Buller's albatross is the most common bycatch from longline fisheries out of New Zealand,[25][26] and, even though net-sonde cables were banned in 1992, squid trawlers still catch them.

[19] Finally, weka Gallirallus australis was introduced to Big Sister and may take eggs and chicks.