In 2009, researchers working in the Liang Bua cave on Flores Island came across a leg bone. The 190,000–120,000-year-old fossil was identified as a bird bone and set aside. Like many bird bones before it, it was overlooked and left to collect dust.
Source: [Phys.org](https://phys.org/news/2026-11-species-ground-bird-largest-kind.html)