They’re technically called pygmy marmosets. Wealthy in China are now keeping them as pets, and when you see the photos, you'll understand why. See the adorable thumb-sized monkeys here.

These marmosets, native to South America, are being sold for over $4,500 in American currency. The catch? The distributing and purchasing of these animals is absolutely illegal.

Have you ever owned an exotic pet? Let us know in the comment section below.

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