The Red Sweat of Hippos by Yoko Saikawa et al.: Within a few minutes of perspiration, the colourless, viscous sweat of the hippopotamus gradually turns red, and then brown as the pigment polymerizes and may act as both an antibiotic and sunscreen. #Hippo #Sweat #Yoko_Saikawa
Even a Hungry Hippo Brushes!
Hippopotamus Photo, Animal Wallpaper – National Geographic Photo of the Day
Hippo - Photo & © Anna Ponomareva - Distributed by National Geographic Society