Friday, January 11, 2019

Pink sweat of hippopotamus

We often find hippopotamus in water . It is a mammal . Unlike other mammals ( including humans ) , they secret a reddish oily fluid from special glands in their skin . This is also called blood sweat .


Hippopotamus try to avoid direct sunlight lying in water during the day and feeding during night . Their skin is very sensitive to both dryness and sunburn . So this secretion acts like ointment .


This fluid appears  red when exposed to sunlight . It is not sweat but this fluid acts as antibiotic , water repellent and also as skin moisturizer .

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