The moa became extinct about 500 years ago. At up to 4m high, they must have been an impressive sight. Unfortunately, they were very tasty too. Once humans had finished them off, it was also curtains for their main predator, the Haasts Eagle. With a 3m wingspan and feet as big as a tigers, they must have been a fearsome sight. Plenty of feathers and skeletons of both species exist so why can't we clone them?
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