Chimpanzees are inarguably the smartest animals on our planet. Their DNA structure is 90% similar to ours. Unlike other animals, they can walk on two legs and can utilise the available tools to their needs. Chimpanzees can understand individuality and can learn words, even human language.
Dolphins are world’s second most intelligent animal in the world. According to a recent research, the dolphin is the only species whose brain aptitude levels are so close to the humans. Characterized by their advanced communication skills, they have also been considered to be self aware with the ability to recognize themselves in a mirror.
Elephants are highly intelligent creatures. Compared to other animals, elephants have larger brains. Elephants have been observed using tools such as sticks to pick at ticks or using palm fronds to swat at flies. Elephants can recognize hundreds of individual sounds and they show a range of emotions like joy, playfulness and sorrow.
Pigs are one of the extremely intelligent, playful, domestic animal in the animal kingdom. Pigs do not get a lot of recognition for their intelligence. According to research, a middle aged pig can be as smart as a three year old human being and they know how to adapt to complex environmental situations because they have the ability to learn new skills easily. Pigs can also dream and recognize their own names.
Parrots are extremely intelligent, and one of the smartest birds in the world. They can do many wonderful things with their stunning beaks. A Parrot can mimic human words, understand the meanings, can remember many words and make sentences. Scientists have found that they are capable of solving relatively complex problems.