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The absolute size of their minds shows that the elephant must understand the truth. Researchers have found that elephants comfort family members, help other animal species when needed, play in the water, and communicate with each other by shaking their feet. Scientists say that their biggest gain is that an Asian female elephant named "Happiness" recognizes herself in the mirror. This kind of complex behavior is unique to humans, great apes, and dolphins.

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I think pandas are also very smart, and they are also very likable. In addition to their cute appearance, they are also very obedient, and they will take care of their children.

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Dogs are the most loyal friends of mankind. Darwin once said: "The love of people has become the instinct of dogs. This is almost beyond doubt." It can be seen that dogs have been our best companions since ancient times. Dogs can not only accompany us and help us resolve loneliness, but they can also use their talents to do many things to help us.

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I don’t know about you, but whenever I think about which animals are the most intelligent on this little planet of ours, I always think of dolphins! I’m not sure if it’s my childhood obsession with dolphins that’s rearing its head (I literally adopted one!), or if I’ve got the wrong end of the stick. So, I thought today would be a great time to chat about which animals are essentially the Stephen Hawkings and Einsteins of our animal kingdom, and to have a chinwag about why these creatures are super-duper clever! Full disclosure: one of them may be a little surprising!

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Dolphins and whales are at least as smart as birds and primates.A dolphin has a large brain relative to its body size,but a dolphin brain has even more folds.

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Dolphins and their kin are the only marine animals that have passed the mirror test of self-awareness.Dolphin has a large brain relative to its body size.

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I think pigs are very smart. People say pig is stupid, but I think he is very smart.Because after the pigs are trained, not only can they master various skills and movements like dogs, but the training time of pigs is shorter than that of dogs.

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Monkeys are also considered to be very intelligent. Besides being curious, monkeys also teach their young what they need to know and pass this knowledge on from one generation to the next.