It really is. It would be hard to transfer them from one place to another since they are so big and heavy and they are sometimes clustered together.

I agree. Some of us care for our pets more than our family or people close to us.

Cetaceans/Cetacea - An order of marine mammals that comprises the whales, dolphins, and porpoises. These have a streamlined hairless body, no hindlimbs, a horizontal tail fin, and a blowhole on top of the head for breathing

Ref: https://en.oxforddictionaries.com/definition/cetacea