Why do hippos spend so much time in water?
Quick Answer
Hippos spend much of the day in water to keep their huge bodies cool and protect their sensitive skin from the sun. Water also helps support their weight, which makes resting easier.
The Full Story
Hippos are semi-aquatic mammals that evolved in Africa and are closely related to whales. Their bulky bodies overheat easily on land, so water provides cooling and shade during the hottest parts of the day. It also supports their massive weight and lets them rest with less strain. Although they live in water, hippos cannot really swim in the usual sense; they often walk or push themselves along the bottom. They emerge at night to graze on grass, which is why they are often active after sunset.
Key Facts
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"Why hippos live like land whales"
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