Mysticeti
- Balaenidae
- Balaenopteridae
- Eschrichtiidae
- Neobalaenidae
- Fin whale Balaenoptera physalus
Photo: Aqqa Rosing-Asvid - Visit Greenland · CC BY 2.0 A whale with a streamlined body and a dorsal fin set well back. The lower jaw has different colors on each side.
- Common minke whale Balaenoptera acutorostrata
Photo: NOAA · Public domain A whale with a pointed head and a curved dorsal fin set well back on its body.
- Humpback whale Megaptera novaeangliae
A whale with long pectoral fins and distinctive markings on the underside of its tail.
- Bowhead whale Balaena mysticetus
A whale with a large head and a white chin, living in icy northern seas.
- Bryde's whale Balaenoptera edeni
NOAA distinguishes an Eden's whale form within Balaenoptera edeni that is smaller and more coastal.
- Sei Whale Balaenoptera borealis
The sei whale is a baleen whale found widely in subtropical, temperate and subpolar seas around the world.
- Gray whale Eschrichtius robustus
A mottled gray whale of the North Pacific, with a low hump in place of a dorsal fin.
- Blue whale Balaenoptera musculus
A whale with a long, slender body and mottled blue-gray skin.
- North Atlantic right whale Eubalaena glacialis
A stocky black whale without a dorsal fin, found mainly in North Atlantic coastal waters.
- North Pacific Right Whale Eubalaena japonica
The North Pacific right whale is a baleen whale of the North Pacific, with most contemporary sightings in the Sea of Okhotsk and Bering Sea.
- Pygmy Right Whale Caperea marginata
Despite its name, it is not a right whale; it is a baleen whale that filters small prey from the water.
- Antarctic Minke Whale Balaenoptera bonaerensis
The Antarctic minke whale is a baleen whale with a circumpolar Southern Hemisphere range. It feeds in Antarctic waters in summer and is described as moving north to warmer waters in winter.