Floating seabirds provide a novel way to trace ocean currents

Data from GPS trackers on shearwaters matched those collected by buoys and other tools

floating shearwater bird

FEATHERED BUOY  Seabirds floating on the ocean like this Scopoli’s shearwater act a lot like buoys, a trait that researchers can exploit to better understand ocean currents and wind patterns. 

SEO/Birdlife

Seabirds are like feathered buoys.