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Are Dolphins Smarter Than Humans?

Updated on March 24, 2016

Dolphins

I think dolphins are an amazingly interesting mammal. They are said to be one of the most intelligent animals on our planet. Did you know that dolphins are said to sleep using only one part of their brain? They use one hemisphere of their brain to go into a deep sleep, while the another part of their brain remains more aware, to enable them to breathe and stay alert for danger.

Dolphins have great eyesight above or below water. Their hearing is excellent too and up to ten times better than human hearing. They incorporate their lower jaw bones as part of their hearing but have similar inner or middle ear structures as any other mammal. Dolphins also use their hearing similar to bats for echolocation, which is like radar.

Dolphins are believed to not have a sense of smell, but do have a good sense of taste and feed on their favorite fish or squid.

In dolphins, they have discovered "spindle cells" which are a unique neuron, known to be only in the brains of mammals of higher intelligence. They are usually only found in humans, certain types of apes, elephants and whales.

Schools of dolphins are usually called pods and can range in numbers to as many as hundreds or much more. They will often group together and cooperate to "round up" schools of small fish to eat.

There are many places that people can actually go and interact with dolphins in their own ocean environment. I have personally seen this in the Key West area a few years ago. I have heard of many stories of how dolphins have attacked sharks in what seems to be a rescue attempt when swimmers or surfers are threatened by the sharks.

I think that dolphins should be treated with the utmost of respect, not only for being a fellow inhabitant of our planet but also until we can establish just how intelligent our friends from the sea are!

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    • PhoenixV profile imageAUTHOR

      PhoenixV 

      2 years ago from USA

      Thanks for the comments.

    • ladyguitarpicker profile image

      stella vadakin 

      3 years ago from 3460NW 50 St Bell, Fl32619

      I love this hub and your photos are wonderful. The dolphins are very smart and they do help people. There was one at Key West that came to the boats every morning to greet us, one morning some jerk decided to kill him. Yes, they need respect. Great hub, Stella

    • profile image

      TheBizWhiz 

      3 years ago

      Very good Hub!

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