Ancient 'Demon Duck' discovered

An Australian research released in May identified the ancient birds that lay melon-sized eggs, whose origins remained a mystery since their shells were found in shards 40 years ago.

The six-foot-tall genyornis newtoni bird lived with ancient Australians 65,000 years ago.

The peer-reviewed research, published in PNAS, showed that humans ate the huge eggs as a protein source.

Genyornis newtoni is a "Demon duck of doom" due to its horrific look. A minority of biologists think they were carnivorous.

Researchers identified the eggs' origins by protein sequencing, excluding all other ancient Australian egg-laying megafauna.

AI was used to examine protein sequences in eggshells from two locations in southern Australia to guarantee they were accurate.

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