Animals are actually very very smart. There was once a dog that was so smart, that he knew the name of every single toy that he had and there were like a 1,000 toys. And even when he got a new toy, he would still know it. Perhaps a new chew toy of Einstein?
And dolphins are also very smart. There is one pod of dolphins that are very very smart. You may think a beach with not many underwater objects would be a paradise for dolphins, but really it is a tough place for dolphin survival. Now since fish are pretty small they can go in really shallow water. Dolphins can't really swim in shallow water, they are the size of a human. Well, they can skim across the water. Its quite dangerous and they could get trapped. It is a quite risky mission.
And you may think that not much brain power comes out of a mollusk, well actually it does. You know how much brain power it takes with those cells that change color? Well it take a lot of brain power to do that. And some people say that things like cuttlefish can't change in any colory patterns. Well actually they kind of can. One time some people experimented to see if a cuttlefish can change to the checkered colors of a chess board. And you know what, it did work! The cuttlefish did make the back and white pattern. It wasn't exactly camouflage, but it got the job done.
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