What is the dumbest animal in the world?

Answer 1

Most scientists haven't found a way to measure the intelligence of some wild animals, who aren't trained to run mazes or anything else... but here are some of the animals that have been figured out:

Dumbest:

• Afghan Hound (most dogs are smart, but this is known to be the least intelligent as it is the slowest to pick up new ideas and make associations)
• Worms
• Goldfish (they only remember things for 3 seconds and have basic primal instincts)
• Turkeys (which have been known to stare straight up into the sky when it is raining to get a drink and subsequently drown themselves)
• Humans (we build inventions that kill each other)
• Snails (As you can see, bugs aren't very smart, but an ant definitely is)

Smartest:

• Wolves
• Cats
• Rats
• Dolphins
• Chimpanzees
• Pigs
• Elephants

Another viewpoint:

There is insufficient evidence to back the claim that goldfish remember things for only three seconds. It is unknown, also, how long invertebrates remember things. There is no real answer to this question.

Perhaps one would be best to consult Edward Thorndike's Animal Intelligence which he published in 1911. Thorndike conducted extensive tests to measure animal intelligence; but where this would fall flat would be that no-one has actually recorded measurable results on any test to measure animal "stupidity"...

And since "dumb" actually refers to the inability to speak, not lack of memory, one would have to conduct a study of which animals make no vocal sounds.

Another viewpoint:

Intelligence is relative, so no one person can find out who the dumbest animal is. Some people say it's humans, some say turkeys, some say goldfish. The only answer that matters on this controversial question is your own.