Amsterdam Albatross illustration
Birdsong field guide

Amsterdam Albatross

Diomedea amsterdamensis

A critically endangered member of the great albatross complex, distinguished by its dark plumage and extremely restricted breeding range.

What it sounds like

Generally silent at sea; terrestrial displays involve harsh croaks, trumpeting screams, and rhythmic bill-clattering.

Reference call, compare with what you heard
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Field notes

  • It is one of the rarest seabirds in the world, with a breeding population restricted to a single plateau on Amsterdam Island.
  • Unlike most great albatrosses, adults retain chocolate-brown plumage throughout their lives rather than turning white with age.
  • The species possesses a distinctive dark 'cutting edge' along the upper mandible, a key diagnostic feature of its bill.
  • They are biennial breeders, meaning a successful pair only raises a single chick once every two years.
  • The total population is estimated at fewer than 200 individuals, making it highly vulnerable to disease and climate change.
Habitat
Nests in upland peat bogs and mossy plateaus; spends most of its life in open pelagic waters.
Range
Endemic breeder on Amsterdam Island in the southern Indian Ocean, foraging across subtropical waters.

Similar & commonly confused birds

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