Nope, they're mammals like us. They belong to an order called the cetaceans which also includes dolphins and porpoises. They evolved from small furry ancestors around 60 million years ago, and share a close living relationship with the hippo. The blow-hole is actually the whale's nostrils that have migrated further back along their heads down the eons.
No, it is a mammal, that is, an animal which suckles its young. It differs also from a fish in having no scales on its body and in being warmblooded.
Moreover, it is an air-breather as much as a dog or horse, and has to come to the surface at intervals for air. In order that it may do this easily its tail is set across its body, and not up and down like that of a fish.
by taw20126 years ago
Which is the largest mammal in the world?
by dabeaner7 years ago
Why does fish go bad so much faster than does fleisch (mammal meat)?
by lesliesinclair3 years ago
I was one of the oldies on Squidoo and the change over to HubPages happened at the same time as a major event in my life that required most of my last year so I've been very sloooow in becoming active here. In fact...
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