Small dark-colored whale of the Atlantic coast of the United States; the largest male acts as pilot or leader for the school.

synonyms: blackfish, common blackfish, Globicephala melaena, pilot whale.

Dutch: griend
Polish: grindwal

Large whale with a large cavity in the head containing spermaceti and oil; also a source of ambergris.

synonyms: cachalot, Physeter catodon, sperm whale.

Dutch: potvis
Polish: potwal, kaszalot, potwal olbrotowiec