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cute hedgehog
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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:302542.jpg
Album name:Fauna & Flora
Rating (1 votes):55555
Keywords:#cute #hedgehog
Filesize:37 KiB
Date added:Aug 03, 2010
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