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Dolphins and Porpoises
IQ
Bottlenose Dolphins

What is a dolphin's IQ?

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December 08, 2009 2:34AM

There is no measure of dolphin IQ, and since dolphins and humans use their intelligence in different ways it is hard to compare their intelligence. However, according to the Encyclopedia of Marine Animals, dolphins have 0,87 · 10^14 synapses in their cortex while humans have 1,3 · 10^14, which is about 67% of human synapses. That's probably the best idea you can get of dolphin intelligence.