Sea Otter Heroes

A Robert F. Sibert Informational Honor BookA Green Earth Book Award WinnerThis up-close look at a fascinating scientific discovery highlights the critical role predators such as sea otters play in keeping ecosystems healthy.In Elkhorn Slough, an inlet on the California coast, seagrass grows healthy and strong in the shallow water. This healthy seagrass baffled marine biologist Brent Hughes. The sc...