The Siamese fighting fish is so aggressive it will fight its own reflection until it is exhausted. Recent research shows that the fighting behaviour varies and depends on the personality of the fish! Male kangaroos were once pitted against humans in the boxing ring, with the most impressive male kangaroos being solid blocks of muscle with a kick that can kill. Why do they fight and what skills must a winner have?
Fish dominate the planet's waters through their astonishing variety of shape and behaviour. The beautiful weedy sea dragon looks like a creature from a fairytale, and the male protects their eggs by carrying them on his tail for months. The sarcastic fringehead, meanwhile, appears to turn its head inside out when it fights. Slow-motion cameras show the flying fish gliding through the air like a flock of birds and capture the world's fastest swimmer, the sailfish, plucking sardines from a shoal at 70 mph. And the tiny Hawaiian goby undertakes one of nature's most daunting journeys, climbing a massive waterfall to find safe pools for breeding.
Meet slime molds: the brainless blobs that can learn, make decisions, and navigate mazes. Who says you need brains to be smart? Extremely primitive life-forms called slime molds can navigate mazes, choose between foods, and create efficient networks—no brain required. New research on these organisms, which are neither plant nor animal, could help reveal the fundamental rules underlying all decision making.
2020 • Nature
120 metres down off the wild coast of South Africa lives an animal once thought to have been extinct for 65 million years - the coelacanth, locally known as Gombessa. A dinosaur fish, a living fossil, that remains the only link connecting fish to terrestrial tetrapods: its fins contain the beginning of reptile and mammal leg bones! And what about the vestigial lung found at the back of its huge mouth? …
2013 • Nature
For many animals, group living offers protection, better food, and more social opportunities. For their young, it's a valuable education. From flamboyant flamingo mating dances, to elephant calves growing up under the watchful eye of the group matriarch, peer into some of nature's most tight-knit social groups.