Strange Ancient Discoveries For Which There Is No Explanation

  Later it turned out that this mysterious leg was 3,300 years old and it belonged to an extinct bird called moa which disappeared from the Earth approximately 700 to 800 years ago. Here’s how this bird had probably looked like Archaeologists Find 3,300-Year-Old Claw Of A Bird That Went Extinct 700 Years Ago, And People Say 2020 Is Not The Right Year To Clone It Turns out, moa first appeared around 8.5 million years ago! Apparently, back in the day, there were at least 10 species of moa. The two largest species reached about 12 feet (3.6 m) in height with necks outstretched and weighed about 510 lb (230 kg) while the smallest was around the size of a turkey.