This may help a bit. Woolly mammoths had a dual coat consisting of fine inner hairs plus coarse outer “guard hairs”. The hairs of the inner coat were slightly curly, around 8 centimetres or so in length when stretched out, with a diameter of about 50 microns. The guard hairs were typically 30-90 centimetres long (depending on the age of the animal and the body area) with a diameter of about 500 microns. The tail also had long hairs which were thicker still. Mammoths moulted in the spring and g
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