690,000,000
The weight in kilograms of poo - mostly nitrogen and phosphorus - excreted by the worlds’ seabirds each year. Xosé Luis Otero of the Universidade de Santiago de Compostela published the work in Nature Communications.
The weight in kilograms of poo - mostly nitrogen and phosphorus - excreted by the worlds’ seabirds each year. Xosé Luis Otero of the Universidade de Santiago de Compostela published the work in Nature Communications.