7 smartest animals in the world (after humans)

Chimpanzee: This social animal has great learning tendencies. It can even learn sign language to communicate with humans and can be trained easily.

Elephant: This massive animal is pro at cognitive abilities. It’s primarily due to the larger size of its brain.

Dog: This loyal fur-animal is considered man’s friend due to its emotional intelligence. It can be trained too.

Orangutan: This red-haired ape has good problem-solving tendencies and can interact well socially.

Pig: This creature is a good learner and has high social intelligence. It can learn complex tasks too.

Dolphin: This beautiful aquatic creature has a complex social structure and great problem-solving skills.

Octopus: This eight-armed sea animal has great survival instincts. It's smart and has innovative camouflage skills.