What is the role of oiled fur in beavers, muskrats and otters?

The unique fat impregnation of otter, beaver and muskrat fur acts as a natural protective layer. It is thanks to this protection that the animal’s hair does not get wet, and when entering land, drops of water simply flow down to the ground. In addition, grease also helps to retain heat, which helps otters survive in a changing climate.



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