Herman Melville's story was based on real events. Mocha Dick (around 1820) was a huge, white albino whale. He had a frightening roar,  and he often hit on whaler ships.  His body was covered in barnacles, harpoons and ropes.

Válassz egyet ezek közül és röviden összegezd magyarul:

http://listverse.com/2014/01/09/10-more-ridiculously-weird-facts-about-whales/