Sea otters are slowing down the erosion of salt marshes, thanks to their rapacious appetite for crabs, according to new research. But it took some sleuthing to figure this out. Marine ecologist Brent Hughes said he and his colleagues first noticed sea otters (Enhydra lutris) using the tidal creeks and salt marshes of Elkhorn Slough … Continue reading Where sea otters play, salt marshes stay, new study shows