Their muscles are attached to their tough skin, rather than their skeleton, which is apparently more efficient. Cartilage also weighs a lot less than bone, so they don’t have to use so much energy to move around.
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LEARNING THE CRAFT OF NATURE AND WILDLIFE PHOTOGRAPHY
This is my diary of the wildlife where I live in Oxfordshire, and sometimes the places I visit. I am a 18 year old young naturalist with a passion for British wildlife, especially Badgers and Hares. I have been blogging since May 2013 and you can read my old blog posts at www.appletonwildlifediary.blogspot.co.uk
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