Life in the sea rebounded with a vengeance in the Devonian. Dozens of monstrous predators emerged, like the 40-foot long Dunkleosteus. Nearly everything was wiped out in Earth’s second mass extinction. But the stage was set for an explosion of life on land.
For nearly 4 billion years, the continents of Earth were a lifeless wasteland. But beneath the sea, our planet was teeming with life. Many strange creatures evolved, from eel-like conodonts to voracious cephalopods, until nearly all life was wiped out in our planet’s first mass extinction.
2019 • Nature
While the immense ecosystem of the Kalahari is characterized by its harsh conditions, it also offers a wealth of resources to the native wildlife. From the burrows of nocturnal bat-eared foxes to the massive colonies of harvester ants, the region provides habitats for a vast array of life.
Decades ago, Monterey Bay National Sanctuary was on the brink of ecological disaster. Today, it is a lush world of sandy sea floors and twisting seaweed jungles. Explore the home of 525 species of fish and 34 species of marine mammal, including the only species of sea lion with a growing population.
Like most big cats, the leopard is a master of secrecy. It's one of the hardest of all big cats to see, let alone observe. This is mainly because leopards need absolute invisibility to hunt. This is why they're such good climbers and why they evolved to be so incredibly secretive.
Can animals count? This is a question that has intrigued and fooled investigators for a long time. Just over 100 years ago, a German horse called Hans was declared a mathematical genius but all was not as it seemed. And strangely, some bamboos around the world flower exactly at the same no matter where they are. Are they counting down the years?
Liz Bonnin meets the animals using outlandish means to find a mate and raise a family. From feisty mongooses who start wars to pick the perfect partner, to swaggering peacocks faking a mating call and thieving macaques who kidnap babies to get ahead, the natural world appears to be rife with animal rogues.