fin whale

noun

First recorded in 1880–85

In general, the head is intermediate in shape between that of the blue whale and that of the fin whale.

The snout is less acutely pointed than that of the fin whale but when viewed from the side appears slightly arched.

The right lower lip and the mouth cavity, unlike those of the fin whale, are uniformly gray.

Furthermore, the right lower lip and the right front baleen of the fin whale are white.

The fin-whale (Balænoptera), so called from its prominent dorsal fin.

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