190. Hippopotamus: Part Ballerina, Part Tank

Ink and Watercolor Sketch of a Hippo
Ink and Watercolor Sketch of a Hippo

The Random Object Randomogrifier rolled out a river horse this morning, better known as the hippo. I started the day arguing with myself about whether it’s a or an hippopotamus and decided life’s too short for grammar before coffee. Either way, the name fits because this creature’s a perfect mix of grace and danger, equal parts ballerina and tank.

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Hippopotamus Figurine

About 55 million years ago, there was a small semi-aquatic mammal called Pakicetus. That little beast was already testing the waters, literally, and it’s one of the earliest hints that hippos and whales are kin. Around 16 million years ago, their line split: some relatives went fully oceanic and became whales, while others hugged the shorelines and stayed in rivers. The modern hippo showed up about seven million years ago, though fossils and mitochondrial DNA only give us rough estimates. Science is still filling in the blanks, but that’s half the fun of it.

Hippo “Yawns” are Territorial Displays

Today’s hippo is built for its own kingdom of mud and current. They spend most of the day submerged to keep cool, their eyes, ears, and nostrils perched on top like a little periscope. Don’t be fooled by the round charm, though. Hippos can hit nineteen miles an hour on land, and those lower canines reach twelve inches or about one and a half bananas long. They’re fiercely territorial, and when a hippo yawns wide, it’s not cute. It’s a warning.

Graceful underwater

Still, people adore them. Zoos can’t go a week without a hippo fan favorite making headlines. They crush pumpkins at Halloween, star in Christmas songs, and even show up as conservation mascots. In South America, a runaway group has carved out a wild new home, and online, pygmy hippos like Mars and Fiona win hearts daily. The hippo’s a reminder that nature doesn’t care what box we try to fit it in. It’s big, loud, unpredictable, and somehow still lovable.

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Also, if you, or a teacher friend, would like a 20-30 minute lesson plan about Hippos, feel free to download and share this one:


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