page_title: List of largest birds
section_title: Loons (Gaviiformes)
hierarchical_section_title: List of largest birds / Largest extant birds / By families / Loons (Gaviiformes)
caption_attribution_description: Ardeotis kori Male English: Kori Bustardeffe indruk maken
context_page_description: The largest extant bird species, a member of the Struthioniformes, is the ostrich, from the plains of Africa and Arabia. A large male ostrich can reach a height of 2.8 metres and weigh over 156 kilograms. A mass of 200 kg has been cited for the ostrich but no wild ostriches of this massive weight have been verified. Eggs laid by the ostrich can weigh 1.4 kg and are the largest eggs in the world today.
  The largest extant bird by wingspan is the wandering albatross of the sub-Antarctic oceans. The maximum dimensions in this species are a length of 1.44 m and a wingspan of 3.65 m.
context_section_description: The largest species on average is the yellow-billed loon (Gavia adamsii) of the Arctic, at up to 1 m (3.3 ft) and 7 kg (15 lb). However, one exceptionally large North American common loon (Gavia immer), weighed 8 kg (18 lb), heavier than any recorded yellow-billed loon. Wingspan in these largest loons can reach 1.52 m (5.0 ft).
caption: Alongside the great bustard, the kori bustard is the heaviest extant flying bird.
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