From man's best friend to the most annoying birds ever...stay turned to number 1 to find
out which animals are the most intelligent in the world!
Number 10: Pigeons.
Contrary to what any animated movie will have you believe.
Pigeons are actually incredibly smart for their size.
In a recent study conducted on pigeons, it was discovered that they are the only animal,
other than the rhesus monkey, able to learn abstract mathematical rules, quite possibly
making them the only mathematicians of the sky.
They also aced what is called the "string task" which is a method used to determine
an animal's basic intelligence by putting a piece of food above a string alongside another
piece of string without food above it.
The pigeons had a success rate with an average of 90 percent and, when you hear that it was
conducted on a digital touch screen, it makes it sound even more impressive.
Each time the pigeons chose the correct string, the picture of the food drew closer until
eventually they were rewarded with the actual treat.
So next time you think of a pigeon as nothing more than a flying rat that drops bombs on
your car, remember that they have probably thought out every option and that was the
best thing to do.
Number 9: The Octopus.
Despite not even having a single bone in their bodies, they do have a brain, and of all the
invertebrates...octopi are considered the most intelligent of them all!
Whether it is camouflaging itself to hunt or to hide from predators, or its dispersing
ink to mask a predator's sight and smell, they are considered the apex invertebrate.
Another clever aspect of the octopus is that while humans have 100 billion neurons in our
brains, an octopus has only 130 million, but three fifths of them aren't even in its brain.
Each of an octopus's eight tentacles has a mind of its own and should it ever lose and
arm it will simply regrow a new one.
Oh and that lost arm will continue to look for food after being detached from its hosts
body before the neurons eventually die off.
And of course let's not forget Paul the Octopus, who correctly predicted 12 of the 14 matches
he was presented with during the 2010 FIFA World Cup.
Number 8: Otters.
Otters are the smallest, and quite possibly the most adorable of all aquatic mammals,
and yet despite their very small size and cuteness, they are among the most intelligent.
Before we learn about all that otters are capable of, I really want to ask you to take
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Otters are carnivorous, and they dine predominantly on crabs, fish and clams, and, in the case
of crabs and clams, you might expect the shells to put up some type of resistance against
a hungry otter.
But otters are known to use tools to help them find and gain access to their food.
Typically this comes in the form of a rock that is used to break open the hard outer
shell, allowing to get to the goodness within.
Otters are also extremely playful and are often seen on the banks of rivers playing
and swimming for leisure.
They are also known to sleep in the water, as they float, and an otter pair will link
arms in order to stop them from drifting apart while they sleep.
Number 7: Pigs.
Traditionally speaking, pigs are seen as dirty animals that wallow in their own filth all
day every day.
Realistically speaking, however, pigs are not only extremely clean but are also highly
intelligent.
You may already know that pigs have a designated toilet area where they do their business and
a designated area for eating.
If you didn't, now you do.
But the reason they are often covered in mud is because they don't possess any sweat glands
and rolling in mud is their way of regulating their body's temperature.
Pigs also have excellent long-term memories, and have over 20 different sounds they make
to indicate different things.
Sounds that even new born piglets are able to understand and react to.
Then there is also the fact that bored scientists have given them a joystick connected to a
screen and that the pigs then proceeded to use the joystick to move a cursor on the screen,
meaning that it is just a matter of time before George Orwell's animal Farm becomes a reality.
Number 6: Rats.
It seems like Pinkie and the Brain may have been onto something, as rats are actually
remarkably intelligent little critters.
There is a reason that the term "lab Rats" is one that is used so often, and the reason
is that rats are regularly used due to their intelligence and something called metacognition,
which is the ability to think about thinking.
What this means is that they are able to make decisions on their actions based on what they
do or do not know.
Aside from this, rats have been discovered to be self-aware, are able to dream, and are
even ticklish.
They are able to learn their names and come running when called.
They are also able to form a strong bond with their owners, much like a dog would.
Then, there is their well-documented ability to learn a maze and be able to run through
a maze they have become familiar with in no time at all, all adding to the credibility
of the movie Ratatouille.
Number 5: Ants.
Ants are extremely tiny and don't have much of a brain to speak of, but they are extremely
intelligent for their size...and their work ethic and sense of team work will rival that
of any human team.
Ants are possibly the world's first farmers, and have been farming long before we had even
discovered that plants grow from the ground.
They live in well planned colonies that can span miles across, and have different sections
for whatever needs to be farmed or stored.
Each colony has its own chemical compound that allows them to tell when an ant is intruding
from another colony, even the route they travel is laid with a pheromone that allows the other
in the colony to follow the necessary route.
In an experiment in which scientists wanted to test if ants counted their steps in desert
areas, tiny stilts were put on the legs of the ants and it was found that the ants with
the stilts would overshoot their target by far due to them taking bigger steps.
I would REALLY love to watch an ant on stilts, though!
Wouldn't you?
Number 4: Dogs.
You may not think it if you look at certain breeds of dogs, but it is believed that the
average dog is as intelligent as a two year old child.
This is likely due to our long time companionship with them, and the fact they've been domesticated
for such a long time, it has caused them to actually imprint on us better as the centuries
have passed.
Some scientists even believe that they are more like us than even chimpanzees and that
their level of understanding of our emotions far exceeds that of the chimps.
Of course, dogs can also be trained to do any range of things from police dogs right
up to circus animals.
While that is not necessarily the trait of something intelligent, it does still show
us that they are able to be taught and that still puts them ahead of cats... who just
don't care.
Number 3: Crows.
This is now the second bird in this list which leads us to think that perhaps birds deserve
way more credit than we give them.
And while parrots, such as the African grey, are very clever and even learn math...they
fail in comparison to the crow.
A crow has a brain roughly the same size as a human thumb which, if you consider the size
of their head is quite large, and actually puts them on a similar level to primates as
far as intelligence goes.
Scientists have proven that not only are crows able to solve complex problems, they are also
able to recognize individual peoples' faces.
And, when hooked up to machines, it was discovered that different people trigger different parts
of their brains, depending on whether they see that person as a threat or a friend.
There are even documented cases of crows bringing the people that feed them trinkets as thanks
for the food, and while it does include a lot of random things like tinfoil and such,
they have even been known to bring jewelry to their feeders.
Number 2: Elephants.
It's no secret that elephants are intelligent animals, and this is well documented in both
animated and real life documentaries alike.
But what you may not realize is that they have the biggest brains of any land mammal...and
that their brains contain roughly the same amount of neurons as yours or mine, roughly
100 billion.
Elephants show emotions such as helpfulness, compassion and empathy, which are all things
that most animals are not able to comprehend.
They are also self-aware, and are able to recognize themselves in mirrors unlike most
other animals.
Elephants are also the only known land mammal to communicate through seismic signals, through
the stomping of their feet and the noises from their trunks.
These seismic noises are even used in a broad variety of conversation, which is believed
to even far exceed simply deciding when to rest or eat and can contain more social conversation.
Number 1: Chimpanzees.
Once again, and much like elephants, this entry should not be a surprise.
And yet no list about the most intelligent animals would be complete without them.
Chimpanzees are our closest animal relatives, and while dogs may be more similar to us than
chimps; that is simply through centuries of living at mans side.
Chimps, on the other hand, share 99 percent of our DNA and are able to perform tasks that
no other animal is capable of, things like solving complex puzzles and even learning
sign language in order to communicate with us.
Much like us, they walk on 2 legs if they choose to, and use tools to make life easier,
they are omnivorous and even their reproductive age is much like ours.
With females being of age at 13 and males at 16; all they need now is to pay a little
more attention to their handlers and one team meeting and we are on the brink of a real
life planet of the apes situation!
What do you think about these amazing animals?
Let us know in the comments below and...take care!
For more infomation >> What Is Scientific Temper? What is the Scientific Method? - Duration: 30:46. 
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