Fun facts on dolphinsApril 2, 2014By jane Dolphins sleep by resting one half of their brain at a time so that one eye is always open. This allows them to rise to the surface to breathe and to protect themselves from predators. Tags:dolphinfactsfun Share This Story! Related Posts 189 THE ORIGINS OF MARINE MAMMALS 191 CAPE FUR SEAL PUPS ASHORE PLETTENBERG BAY
