As we all know, dolphins are the most intelligent animals in nature. An adult dolphin has an IQ equivalent to that of a six-year-old human child, so they are also man's best friend. Dolphins have a language system in their brains. After being trained by humans, they can do many complex jobs.

In news reports, we can often see such things: someone accidentally fell into the water at sea, and was immediately lifted to the surface by a passing dolphin, and was successfully rescued. So are dolphins really so friendly, and they will save people who fall into the water at the first time?

In fact, why dolphins save people has always been an unsolved mystery, because we are not dolphins, and we cannot know what they think, but there are three main theories at present.

1. Nature

The behavior of dolphins to save people is determined by their nature. We all know that although dolphins look like fish, they are actually mammals. Because dolphins do not have gills and cannot breathe in the water, they all take enough breaths on the sea surface before diving into the bottom of the sea to live. The newly born baby dolphin cannot immediately master the skills of surfacing to breathe, so the mother dolphin will help it and put it on top of the sea to breathe.

At the same time, dolphins are also social animals, and they often migrate in groups. During the migration process, some dolphins may have difficulty breathing due to lack of energy. At this time, their companions will immediately put the exhausted dolphins on the surface to help it breathe.

2. Real courage

Because the IQ of dolphins is very high, it has also been mentioned above that the proportion of the brain to the body weight of dolphins is second only to that of humans. So smart dolphins will lend a helping hand when they find other creatures in need.

3. play

Dolphins are active by nature and love to play. So it often treats floating objects at sea as its own toys. They are used to swimming with toys, and their trajectory is either from shallow water to deep water, or from deep water to shallow water, so when the dolphins bring the victims to the shore, it may be because they think they are The toy "happens" to be delivered to the shallow water.

Although we can't be sure what the purpose of the dolphin's rescue is, whether or not dolphins save people consciously or not, they are good friends of human beings.