Penguin Group - Eyewitness VHS Video - Shell

Which miniscule mollusc can sink a ship? What shelled creature outweighs the elephant? Shell travels land and sea to open up an incredible world where creatures forgo speed in exchange for stupendous strength. The shell is one of the most diverse and beautiful solutions for survival in nature, proving that slow and steady does win the race. Approx. 35 minutes long.