Balaenoptera

**Definition:** A genus of WHALES in the family Balaenopteridae, consisting of five species: Blue Whale, Bryde's Whale, FIN WHALE, Sei Whale, and MINKE WHALE. They are distinguished by a relatively slender body, a compressed tail stock, and a pointed snout.

**Tree numbers:** - B01.050.150.900.649.313.875.865.100