The Paleogene period, from 65.5 to 23 million years ago, marked the beginning of the Age of Mammals. Earth’s continents moved to their current configuration, forests expanded, and sea levels dropped. Mammals thrived and evolved, filling the ecological niche left by dinosaurs. Large flightless birds and aquatic mammals also evolved. The Paleogene period is the […]
The Paleogene Period was a warm geological period from 65.5 to 23 million years ago, characterized by the diversification of mammals and the filling of niches left by the extinction of dinosaurs. Birds, sharks, and whales evolved, while the configuration of continents was similar to today. The Paleogene Period is a geological period that spans […]
