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Sundaland's Lost World: Homo Erectus Thrived
30 Mar
Summary
- Homo erectus fossils found in Sundaland reveal ancient migration across land bridges.
- Humans exploited rivers for water, food, and possibly tool use with mussel shells.
- Ancient human ancestors resembled modern humans with larger brains and bodies.

During a glacial period approximately 140,000 years ago, the Indonesian region of Sundaland featured extensive land bridges, allowing Homo erectus to migrate widely. Fossil fragments discovered through recent ocean dredging offer new insights into this ancient hominin species.
These early humans inhabited a lowland savannah, likely settling near perennial rivers that provided drinking water and abundant food sources. Evidence suggests they gathered fruits, caught fish and shellfish, and may have even used mussel shells as tools.
Analysis of animal bones indicates Homo erectus hunted river turtles and bovine ancestors for meat and marrow. This period also saw the spread of animal species from the Asian mainland, such as hippos and Komodo dragons, to the islands.
Homo erectus represented a significant evolutionary leap, characterized by larger bodies and brains resembling those of modern humans. Their increased mobility and hunting capabilities distinguished them from earlier hominins. The submergence of land bridges due to rising sea levels later isolated the islands, but recent dredging has reopened a window into this ancient past.