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The article also talks about "killer whales" and their teeth, but Orcas aren't whales. They're dolphins (or more specifically, they belong to the porpoise group
by djsumdog 9y ago
The article also talks about "killer whales" and their teeth, but Orcas aren't whales. They're dolphins (or more specifically, they belong to the porpoise group of mammals).
- AbrahamParangi 9y agoWhile Orcas are members of dolphin family (Delphinidae), they are not members of the porpoise family (Phocoenidae) and the whole Orcas are not whales distinction is kind of silly anyway because they're all cetaceans.
- InclinedPlane 9y agoDolphins, whales, orcas, and porpoises all share a common ancestor before getting back to land animals, they are all cetaceans.