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IN WHAT OTHER WAYS HAVE PIGS DEMONSTRATED INTELLIGENCE?

Pigs are surprisingly intelligent animals, with some scientists suggesting they are cleverer than dogs and cats.

They have brilliant long-term memories and find mazes an easy task. 

Scientists have even trained them to use joysticks to move a cursor around a computer screen for a reward.

They can also learn tricks — from opening cage doors to jumping through hoops.

Pigs boast an emotional intelligence shared by few other creatures.

They are curious and capable of empathy, with the ability deliberately deceive other pigs and even anticipate needs and intentions. 

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