Pair bonds between males and females form over several years, with the use of "ritualised dances", and will last for the life of the pair.
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Numbers of albatrosses have declined in the past due to harvesting for feathers, but today the albatrosses are threatened by introduced species, such as rats and feral cats that attack eggs, chicks and nesting adults; by pollution; by a serious decline in fish stocks in many regions largely due to overfishing; and by longline fishing.
Longline fisheries pose the greatest threat, as feeding birds are attracted to the bait, become hooked on the lines, and drown.
Identified stakeholders such as governments, conservation organisations and people in the fishing industry are all working toward reducing this bycatch.
Albatrosses, of the biological family Diomedeidae, are large seabirds allied to the procellariids, storm petrels and diving petrels in the order Procellariiformes (the tubenoses).
They range widely in the Southern Ocean and the North Pacific.
They are absent from the North Atlantic, although fossil remains show they once occurred there and occasional vagrants are found.Albatrosses are among the largest of flying birds, and the great albatrosses (genus Diomedea) have the largest wingspans of any extant birds, reaching up to 3.7 metres (12 feet).The albatrosses are usually regarded as falling into four genera, but there is disagreement over the number of species.Albatrosses are highly efficient in the air, using dynamic soaring and slope soaring to cover great distances with little exertion.They feed on squid, fish and krill by either scavenging, surface seizing or diving.Albatrosses are colonial, nesting for the most part on remote oceanic islands, often with several species nesting together.