Ancient guano drove Chincha coastal power

Sydney, Australia (SPX) Feb 16, 2026
Archaeologists have linked a humble but potent resource, seabird guano, to the rise of the Chincha Kingdom as a major coastal power in pre-Inca Peru. A new study led by University of Sydney digital archaeologist Dr Jacob Bongers argues that nutrient-rich bird droppings transformed maize production on the arid south coast and underpinned a far-reaching sociopolitical expansion. The research