The Hippopotamus spent the entire time in the water while I was there. Other than coming up for a breath of air every now and then, the Hippo may have moved may be twenty feet. There are two Hippopotamuses currently at the zoo and both of the animals seem to be extremely fat. The skin is dark and hairy. The Hippopotamuses were in the water for so long that there was nothing to really record because I could not see them. I can see the troubles researchers can have in doing research on the animal. Since the animal spends most of the day in the water and comes out at night graze, it causes a problem in doing field research.