South Island giant moa
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The South Island giant moa is an extinct species of moa in the genus Dinornis, known in Māori by the name moa nunui. It was one of the tallest-known bird species to walk the Earth, exceeded in weight
Dinornis robustus, South Island Giant Moa three quarter view on black YORYM 2004 20
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Restoration
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Megafauna
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In zoology, megafauna are large animals. The precise definition of the term varies widely, though a common threshold is approximately 45 kilograms, this lower end being centered on humans, with other
South Island giant moa
…herbivorous mammals, the moa filled that niche. Giant moas in particular are ecologically equivalent to giraffes and other long-necked plant-eating megafauna, though they lack any living analogues in New Zealand. These birds sported a very robust bill, and finds of a relatively large collection of gizzard…
The African bush elephant (foreground), Earth's largest extant land animal, and the Masai ostrich (background), one of Earth's largest extant birds
Baleen whale comparative sizes
Diprotodon optatum
"Megalania" (Varanus priscus)