Top 10 Most Intelligent Animals in the World

10. Dogs
The domestic dog is a member of the Canidae family of the mammalian order Carnivora. The term "domestic dog" is generally used for both domesticated and feral varieties.

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9. Cats
The domestic cat is a small, usually furry, domesticated, and carnivorous mammal. It is often called the housecat when kept as an indoor pet, or simply the cat when there is no need to distinguish it from other felids and felines.

Image Source: http://jasonlefkowitz.net/2013/07/slideshow-20-cats-that-suck-at-reducing-tensions-in-the-israeli-palestinian-conflict/
8. Pigs
A pig is any of the animals in the genus Sus, within the Suidae family of even-toed ungulates. Pigs include the domestic pig and its ancestor, the common Eurasian wild boar, along with other species

Image Source: http://agrodaily.com/2014/03/13/chinese-scientists-uncover-pig-link-to-human-disease/
7. Elephant
Elephants are large mammals of the family Elephantidae and the order Proboscidea. Traditionally, two species are recognised, the African elephant and the Asian elephant

Image Source: http://commons.wikimedia.org/wiki/File:African_bull_elephant.jpg
6. Squirrel
Squirrels belong to family Sciuridae of small or medium-size rodents. The family includes tree squirrels, ground squirrels, chipmunks, marmots, flying squirrels, and prairie dogs.

Image Source: http://en.wikipedia.org/wiki/Eastern_grey_squirrels_in_Europe
5. Whales
Whale is the common name for various marine mammals of the order Cetacea. The term whale sometimes refers to all cetaceans, but more often it excludes dolphins and porpoises, which belong to the suborder Odontoceti.

Image Source: http://en.wikipedia.org/wiki/Killer_whale
4. Parrots
Parrots, also known as psittacines, are birds of the roughly 372 species in 86 genera that make up the order Psittaciformes, found in most tropical and subtropical regions.

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3. Orangutan
The orangutans are the two exclusively Asian species of extant great apes. Native to Indonesia and Malaysia, orangutans are currently found in only the rainforests of Borneo and Sumatra.

Image Source: https://www.worldwildlife.org/species/bornean-orangutan
2. Bottlenose Dolphin
Bottlenose dolphins, the genus Tursiops, are the most common and well-known members of the family Delphinidae, the family of oceanic dolphin.

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1. Chimpanzee
Chimpanzees, sometimes colloquially chimp, are two extant hominid species of apes in the genus Pan. The Congo River divides the native habitats of the two species: Common chimpanzee, Pan troglodytes

Image Source: http://www.npr.org/blogs/13.7/2012/10/22/163434948/chimpanzee-politics-election-year-lessons-on-power-and-reconciliation