We all know the Killer whale. But what most of us don't know is that this guy is in disguise.
He's not really a whale!
The Killer whale is really... a dolphin!
He's just a very large and toothy dolphin... :)
But there are more like him in the sea...more "whales" that are not really whales at all!
Here they are:
Melon-headed Whale
Killer Whale (Orca)
Pygmy Killer Whale
False Killer Whale
Long-finned & Short-finned Pilot Whale
So what makes a dolphin different than a whale? Size is one important difference, and so is what's inside the mouth. Dolphin all have teeth, but most whales have "baleen" (thick rows of tough hair that act as a food strainer).
Let's take a look at some these giant dolphins and compare them to real whales...in what ways do they look different?
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