Cetaceans
Cetacea
The forelimbs form flippers and the tail ends in horizontally spreading flukes. Nostrils on top of the head take in air at the surface.
- Mysticeti
- Odontoceti
- Acrophyseter
- Aetiocetidae
- Agorophiidae
- Albicetus
- Albireonidae
- Allodelphinidae
- Ambulocetidae
- Angelocetus
- Ankylorhiza
- Aondelphis
- Common dolphin Delphinus delphis
A dolphin with contrasting patches along its sides that form an hourglass-like pattern.
- Fin whale Balaenoptera physalus
A whale with a streamlined body and a dorsal fin set well back. The lower jaw has different colors on each side.
- Killer whale Orcinus orca
A member of the dolphin family with a black back, white belly and white patches near the eyes.
- Beluga whale Delphinapterus leucas
An Arctic whale that becomes white as it matures. It has a rounded forehead and no dorsal fin.
- Sperm whale Physeter macrocephalus
A whale with a large head and narrow lower jaw that dives into deep water to find food.
- Harbor porpoise Phocoena phocoena
A small porpoise of cool Northern Hemisphere waters. It uses bays and estuaries and mainly eats schooling fish.
- Common minke whale Balaenoptera acutorostrata
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.
- Cuvier's Beaked Whale Ziphius cavirostris
A whale found in many of the world’s oceans that searches for prey in deep water.
- Common bottlenose dolphin Tursiops truncatus
A gray dolphin with a short, thick beak, found widely in tropical and temperate seas.
- Long-finned pilot whale Globicephala melas
A small whale with long flippers, found in temperate and colder seas.
Sources
- Cetacea
University of Michigan, Animal Diversity Web · 2026-10-19