Haast eagle
The haast eagle was the biggest eagle to live on Earth, weighting up to 17.8kg. Any larger, and it would not have been able to fly. The classification for a Haast eagle is Accipitriformes.
Bones of the eagle have been found in more than 50 places, mostly in the east and south of the South Island. Some are estimated to be only 500 years old, showing that eagles and humans were alive together. Other bones are up to 30,000 years old.
Compared to other birds of prey, it had short but powerful wings for the size of its body, with a wingspan of up to 3 metres. This probably meant that it "flapped" rather than "soared". This also fits with the theory that the Haast eagle was a forest bird, used to flying quickly through thick vegetation. The Canterbury Plains were once a combination of forest, shrublands and grasslands, with drier forested areas than on the West Coast.
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