Hippo trivia:Red sweaty hippo

The hippo’s head and the back of the ear will have red sweat, which seems to be bleeding at first glance.

Japanese scientists have found that the red sweat of hippo is not really sweat, but contains secretions of red pigment and chrysanthemum pigment.

It can help hippo sunscreen antibacterial to regulate body temperature, the original hippo is also afraid of tanning.