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Argentavis Magnivicens. The estimate span was 7 – 7.5 m, height ca. 1.5 m and the mass approx. 72 kg. One of the largest flying birds known to science, certainly the heaviest bird known to have flew.

Argentavis Magnivicens. The estimate span was 7 – 7.5 m, height ca. 1.5 m and the mass approx. 72 kg. One of the largest flying birds known to science, certainly the heaviest bird known to have flew.

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