Balaenoptera physalus reaches 27 m and 80 tons. Second largest animal in the world after the blue whale. Slender gray-brown silhouette above, white below, unique asymmetry for mammals: white right lower jaw but gray left. Baleen filter. Fastest of the great whales (40 km/h). Seasonal migrations, observed in spring-summer in Azores and Mediterranean (Pelagos sanctuary). Listed VU following whaling. Iconic encounters of Azores whale-watching trips April-June.
