Are Killer Whales the only toothed whales?

No, Killer Whales are not the only toothed whales. In fact, they are just one species within the Odontocetes suborder, which encompasses all toothed whales.

Here's a breakdown:

* Cetaceans: The order that includes both toothed and baleen whales.

* Odontocetes: The suborder that includes all toothed whales, like dolphins, porpoises, and even the mighty sperm whale.

* Mysticetes: The suborder that includes all baleen whales, like humpback whales and blue whales.

So, Killer Whales are just one of many toothed whales, belonging to the Oceanic Dolphin family.