What signs f castaways have been found on Nikumaroro Island?

On Nikumaroro Island, several signs of castaways have been identified, notably artifacts such as a partially intact aluminum panel believed to be from Amelia Earhart's Lockheed Electra aircraft, as well as personal items like a shoe and a jar containing a suspected castaway's remains. Additionally, the discovery of a makeshift campsite with signs of fire and food preparation has fueled speculation about the presence of survivors. Other evidence includes reports of bones that were later lost but were initially thought to belong to a castaway. Collectively, these findings suggest that the island may have been a temporary refuge for stranded individuals.