1.   Others are killed by recurrent cold waves, by boat propellers, and infrequently by crocodiles and sharks.

2.   Brunswick Corp. faces a U.S. Supreme Court fight about whether it can be sued under state laws for injuries or deaths caused by boat propellers.

3.   It grows in dense mats, clogging boat propellers and preventing sunlight from reaching plants on the lake or river bottom.

4.   Once hooked, they run, roll, dive to the rocks, and even on occasion break line on the boat propeller.

5.   One leg, probably severed by a boat propeller, was missing.

6.   Other escapes are attributed to damage from boat propellers, vandalism, poor maintenance and accidents during fish transfers and sorting.

7.   The erosion could be caused by the churning of sediments by boat propellers and organisms or wind, according to the EPA.

8.   The flats are full of trails made by boat propellers that have torn up protected grasses and coral.

9.   The seals are prey for sharks and are occasionally killed or injured by boat propellers, but Sadove said he had never seen attacks like these.

10.   Though missing flippers and heads, the turtles did not have wounds indicating they had been hit by boat propellers.