Scales of pangolins provide flexibility yet strong protection by overlapping like roof shingles.

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“Without teeth and without any turn of speed, the pangolin has to be well protected. It has an armour of horny scales that overlap like shingles on a roof. At the slightest danger the animal tucks its head into its stomach and wraps itself into a ball with its muscular tail clasped tight around it. In my experience, there is no way in which a pangolin, once rolled, can be forced to unwind.” (Attenborough 1979:228)

Life on Earth: A Natural HistorySeptember 22, 2020
David Attenborough

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