Before 1960 most of the work surrounding animal intelligence was centered around behavior, with famous experiments such as Pavlov’s dogs and Thorndike’s operant conditioning. After 1960, the field began to shift to understand animal cognition and there has been much debate whether animals have an actual consciousness.
The full extent of what animals think may never be known. We already have seen amazing intelligence from some unlikely sources.
Crows are insanely intelligent creatures. they're able to recognize human faces and hold a grudge against the ones they don’t like. In order to study the crows they'd to be collected and properly tagged. The scientists who handled the birds quickly fell out of favor with the crows. The next time the researchers entered the enclosure, they were greeted by the crows divebombing and attacking their faces. If the same researchers came back wearing a mask that the crows hadn’t seen before, they were left alone. It also appears that the crows conspire with one another and share information about which humans they don’t like. Crows who were absent when a particular researcher had handled the other birds would still respond with hostility upon seeing the scientist at a later date.
Their amazing intelligence isn't always used to start fights –. they're skilled at using tools in order to retrieve food or solve problems. Crows readily use sticks, rocks. Wires to retrieve food from hidden places. If the proper tool isn't at their disposal, they can actually make one to suit the job. What’s more, these crows can use tools better than many primates.
Aesop’s “The Crow and the Pitcher” fable describes crows’ ingenuity. A crow wanted a drink of water. Was unable to reach down into the pitcher. Rather than give up, it dropped pebble after pebble into the pitcher until the water rose high enough for it to have a drink. it's a 2600-year-old story of tenacity. Modern scientists have decided to test the fable and found that it was scientifically accurate.
“So long. Thanks for all the fish.”
Dolphins have long been celebrated as some of the most clever animals in the world. Their brains are extremely large for their body size, have a neocortex (where higher function takes place) much more intricate than humans and the region of the brain that's in charge of self awareness is enlarged when compared to other animals.
Dolphins live in social societies and communication is integral to its success. They don't have vocal cords as humans do. Use a combination of clicks, squeaks, creaks. Buzzes to talk to their fellow cetaceans, though scientists haven't been able to discern an actual language yet. Body language is also an important communication tool Dolphin whistles are unique to individuals and are developed in the first month of life.
It was recently discovered that dolphins remember the signature call of their friends, even if they hadn’t seen each other in over 20 years. This might help explain how dolphins can leave and join different pods so easily over the course of their lifetime.
Dolphins are so intelligent that India has recently put a ban on their captivity. India’s Ministry of the Environment and Forests has labeled cetaceans as “non-human persons”. Released a statement saying they're not to be captured for entertainment purposes by any person or institution, whether they're public or private.
While it might be surprising to some pigs are quite intelligent and many would compare that intellect to be on the same level as dolphins and higher apes.
Part of this intellect might be because large chunks of pig genome are virtually identical to humans, though our last common ancestor died out 100 million years ago. Pigs love to become couch potatoes and would rather eat, drink, smoke. Watch TV than be active. Not unlike many people.
When introduced to a mirror, they were initially fascinated by the pig in the reflection and tried to interact by nudging and vocalizing. While they could see food in the mirror, they tried looking behind the mirror only to end up hungry. The next time the mirror was presented, they weren't interested in their own image. Instead used the reflection to find the bowl of food behind them in under 30 seconds.
Pigs can also be trained to learn tricks fairly easily. However, if at first they don’t succeed, getting the courage to try again is a long process, especially if the pig got hurt in the attempt. Researchers speculate that the memory of the failure is a big hurdle to overcome for many pigs. Failures in training and living conditions can affect a pig’s mood, as the animals are capable of having and expressing complex emotions.
Elephants are the largest mammals on land. It turns out that they've the brains to back up the brawn.
It was recently discovered that with absolutely no training elephants understand when humans point. While standing in between two identical buckets. One was filled with food, the elephants immediately chose the one that the human had gestured. While it's remarkable that elephants are able to spontaneously understand this body language, it becomes even more impressive since many great apes aren't capable of the same level of understanding.
Captive elephants had no greater advantage than wild elephants with little human interaction, leading the scientists to believe that this is an innate response. Pointing on some level may exist in elephant populations.
In a different study highlighting the intelligence of these pachyderms a group of elephants competed against a group of humans in a teamwork exercise. Not only did the elephants beat the humans in the exercise. They were able to do it using techniques that the researchers hadn't previously considered.
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