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found sea otters had hair density of about 33 000 hairs/cm2 on the back and 45000 hairs/cm2 on the belly. According to Williams et al. (1992), the sea otter has about 165000 hairs/cm2 on the fore feet and 78000 hairs/cm2 on the back. Further data on hair density in the sea otter at the back are: 100 000 hairs/cm2 (Scheffer in Kenyon 1969),
Lutra lutra exhibited a mean hair density of about 70 000 hairs/cm2 (whole body, appendages excepted), the mean individual density ranging from about 60 000 to 80 000 hairs/cm2. The dominant hair type were secondary hairs (wool hairs), the hair coat comprising only 1.26% of primary hairs (PH).
21 Οκτ 2015 · And that’s why sea otters have the greatest follicle density of any mammal, and hair density that ranges from 100,000 per cm2 on the legs and chest up to 400,000 on the sides and rump. At its upper range, that’s four times denser than the finest show chin, 16 times denser than a farmed mink, and 2,105 times denser than our human blonde.
The Sea Otter (Enhydra lutris) is the smallest marine mammal, and quite arguably the cutest, with its gentle expression and playful nature endearing it to many. With up to one million hairs per square inch of skin, this species has the densest fur of any mammal.
The sea otter (Enhydra lutris) is a marine mammal native to the coasts of the northern and eastern North Pacific Ocean. Adult sea otters typically weigh between 14 and 45 kg (30 and 100 lb), making them the heaviest members of the weasel family, but among [3] the smallest marine mammals.
Sea otters have two layers of incredibly dense fur, more than a million fibers per square inch. Outer guard hairs are around 1 1/3 inches long and when properly groomed lay flat against the body. Underneath the guard hair is another layer of fur that stays completely dry.
The sea otter is covered in dense fur that consists of two layers. The short, more dense, under layer of fur can have as many as 1 million hairs per square inch, which is the densest of any mammal. Humans only have about 100,000 hairs in total on our heads.
