Miocene

The Miocene was a super long time ago, way before dinosaurs! It lasted for about 18 million years, from 23 million to 5.3 million years ago. Think of it like a giant chapter in Earth's storybook. During this time, the planet was slowly getting a little cooler, like turning down the thermostat. It was a time of big changes for the land and the creatures living on it.

During the Miocene, the big pieces of land we call continents were slowly moving around. Africa bumped into Europe, which was a huge deal! This connection let animals travel between places they couldn't before. Also, the Mediterranean Sea almost dried up completely, like a giant puddle shrinking in the sun! Later, it refilled with a giant flood, like a bathtub overflowing!

Guess what? The very first apes showed up during the Miocene! They started to spread out and become more common. Later in this time, the ancestors of humans and chimpanzees went their separate ways. Grasslands kept getting bigger, and forests got smaller. In the oceans, amazing kelp forests, like underwater jungles, appeared for the first time!

The animals living in the Miocene were starting to look a lot like the ones we see today. Mammals and birds were already well-established. Big ocean animals like whales and seals were around, and those cool kelp forests were growing. It was a time when Earth's life was getting ready for the modern world.