Which is more clever for dolphins and dogs?

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DolphinIt is said that the ratio of the brain to the body weight is the second largest after humans, so it has high intelligence. On the other hand, it is said that it may have higher intelligence than dolphins and apesDogis. Various researches are being conducted on which of these two are "intelligent" high and "wise".

BBC - Earth - Are dolphins cleverer than dogs?
http://www.bbc.com/earth/story/20140909-are-dolphins-cleverer-than-dogs

In 2006, one of the band dolphins arrived lost in Torrey Island in northern Ireland. Dolphins are "DoggieI like the people of the island named it. The Labrador Retriever who lived on this Torrey IslandBenHe jumped into the sea and began playing with Doggie, and eventually two people (?) Came to be picked up as a combination.

In the following movie you can see the famous Ben & Doggie combination swimming together.

Tory Island dog swimming with dolphin


Dolphins of dolphins playing swimming in the harbor and figure of Ben of the dog. That sight is attracting people's attention.


As mentioned earlier, dolphins are creatures that have been thought to be highly intelligent because of the second largest proportion of their brains to humans, and actually have high communication skills as can be seen in this movie.

However, in recent years the interest in dogs' cognitive abilities has increased. Duke University to study the psychology of dogs ·Duke Canine Cognition CenterAnd University of PortsmouthDog Cognition CenterAccording to the research team, the dog has a higher intelligence than previously thought, and in some cases it turned out to be wiser than dolphins and apes.

Regarding the level of intelligence the dog has, Yale University psychologist Laurie R. Santos said: "There are several outcomes in dogs about ability to communicate with humans, higher than primates "I talk. Mr. Santos, who is studying the effects of primates and canine animals on human psychology, said, "Dogs understand that humans are about to convey information and that means of transmission is also from primates I understand much better ", it shows the superior recognition ability of the dog.

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That high cognitive ability is manifested in the dog's movement to turn its eyes on the object when a person points to something. Mr. Santos points out that dogs have the ability to sense that humans are trying to convey something, as chimpanzees closer to humans than dogs do not respond when encountering the same scene.

It has also been confirmed that some dogs have the ability to distinguish human characters. Border Collie's dog's "ChaserHe is trained to read the name given to the toy and he can find the toy instructed by the trainer without mistake. Furthermore, the chaser knows that it can understand even simple sentences. Understand the meaning of short sentences composed of "preposition" + "noun 2" + "verb" like "to Frisbee take ball (take a ball to Frisbee)" and act as instructed can do.

That the number of words that the dolphin is supposed to understand is 40 to 50, "geniusBonobo"Can understand only a few hundred words, you can see how high the understanding power of this dog is.

ByRmcnicholas

On the other hand, it is also made clear that dolphins are higher "ability to understand sentences" than dogs. According to a study by Lewis M. Hermann and colleagues at the University of Hawaii, it has been clarified that it is possible to understand sentences including complicated words such as "through" and "imitate (imitation) It has turned out to be equipped with a higher level of understanding ability than a simple "like taking" command.

What Laboratory Research has Told Us about Dolphin Cognition
(PDF file)http://www.dolphin-institute.org/our_research/pdf/Herman%202012B.pdf

Furthermore, it is also known that dolphins are equipped with high "ability to solve problems". In some experiments, behaviors were observed when placing multiple "weights" in the pool in and around and collecting them in dolphins. Once we collect all the weights and place them on a table, we have a reward that we can eat food, but as soon as the experiment is started dolphins stop collecting the weights one by one and all the weights We gathered together and took the action of taking them all together and taking them to the table. It is clear from these results that dolphins have the ability to plan their own actions beforehand and think about solutions.

ByRiccardo Cuppini

I am wondering "which dogs and dolphins are smart?" Is a question, but Mr. Santos believes that comparing dolphins and dogs is not very meaningful.

Dogs are living a life to live with human beings for a long time, and it is thought that dogs have gradually acquired the ability to grasp human thoughts. One dolphin has evolved its own cognitive ability in a world with a certain distance from humans, so there are things that are similar to those of a dog. Still it is thought that "There is high intelligence" because the actions taken by dolphins are similar to humans.

Mr. Santos said about the differences in abilities each animal possesses, "Animals have evolved cognitive ability according to the environment in which they are placed, so it is not meaningful to compare intelligence There are lots of scenes. " The dolphin's characteristic of being able to detect fish hidden in the sand using sound waves and taking sleep by half of the brain so that it can float for breathing even while sleeping is to live It is a skill acquired because it is necessary.

Because of these things, Mr. Santos says "Human beings are not necessarily" smart "than other animals."

ByRiccardo Cuppini

While animals such as humans and monkeys are creatures that rely heavily on "vision", dogs rely heavily on "olfaction". Dolphins are creatures that rely on vision as well as primates, but in addition to that they also have the ability to sense objects behind objects using sound waves. It is clear that these are all abilities that human beings do not have. Therefore, it can be said that things that can not be perceived using dolphins' invisible ones or sound waves are unintelligible. In addition, the method of object recognition may be quite different from humans.

After all, Mr. Santos concludes that the question "Which is smarter than a dog?" Is not as meaningful as the question "Which is stronger than a screwdriver?" Creatures evolve at the place where they are placed and acquire ability, and it may be necessary to think that there is a little impossible in the idea of ​​judging intelligence by human scale only not.