Top 20 ugliest animals on the planet (13)

Pangolin（穿山甲）

The pangolin has large, hardened, keratin scales covering its skin from head to tail. It is the only mammal featuring this particular physical variation. Its natural surroundings are the tropical regions across Africa and Asia. It has a long and narrow body with short, stubby limbs. It can curl up into a ball when threatened, making it look extremely odd. Unfortunately, it is now an endangered animal species.

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