We Live in a World of Small Critters And Here is Why
Picture taken completely out of context. Extinction is a bummer. It's also somewhat inevitable on a planet that is constantly changing. Seeing as the environment keeps changing, life must change with it or perish. But you, the person reading this, might be wondering what that has to do with our planet being a world of smaller beasts. First off, you might be thinking that's hogwash. There are plenty of large animals around today: elephants, rhinos, hippos, bison, moose, cattle. Hell, the largest known animal to exist in earth's history lives now in the form of the blue whale: nearly 200 tons and 30 metres of pure Holocene giant. It's so big, the World Wildlife Fund couldn't fit the entire thing into this picture. But a look into the recent geological past says otherwise. Millions of years ago, there were animals that w eighed almost 100 tons and could peek into a fifth-story window . Less than a million years ago the world had many more kinds ...