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cute hedgehog

Cute Hedgehog

Hedgehogs are easily recognized by their spines, which are hollow hairs made stiff with keratin. Their spines are not poisonous or barbed and, unlike the quills of a porcupine, cannot easily be removed from the hedgehog. However, spines normally come out when a hedgehog sheds baby spines and replaces them with adult spines. This is called "quilling." When under extreme stress or during sickness, a hedgehog can also lose spines.
Close-up of the last 5 mm of a hedgehog spine (SEM microscope)
Close-up of the last 0.4 mm of a hedgehog spine in SEM

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Filename:731369.jpg
Album name:Fauna & Flora
Rating (1 votes):55555
Keywords:#cute #hedgehog
Filesize:74 KiB
Date added:Feb 06, 2017
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