I also urge you to allocate the necessary resources to provide continuous and effective enforcement of guidelines for tourists interacting with whale sharks so that fewer whale sharks are harassed by swimmers and injured by boat propellers. (georgiaaquarium.org)
Bright arcs formed by powerful jets of charged particles in the massive cloud mirror the curved boat propeller scars the endangered animals often bear. (sciencemag.org)
Between habitat loss and harmful boat propellers, manatees in Florida have plenty to cry about. (articles.orlandosentinel.com)