Trees produce toxins as a natural shield against external threats, such as hungry insects or invasive fungi. These chemical substances, sometimes very potent, allow trees...
In some species of frogs, the male-female boundary is less clear than you might think. Their reproductive system has a significant amount of flexibility. Basically, they are...
Shark skin has an astonishing characteristic: it is covered with thousands of tiny pointed structures called dermal denticles, literally small skin teeth. Composed mainly of...
In octopuses, we speak of arms rather than legs because their limbs bear suckers along their entire length. The suckers are used to grasp, manipulate, and even...
Ants primarily communicate through pheromones, chemical substances they release into the environment. They leave these scented signals along their path, similar to chemical breadcrumbs. These...
Each species of migratory bird possesses an internal programming that tells it when to leave, which route to take, and when to return. This know-how...
The bodies of seals are shaped like a torpedo, tapered at the front and rounded at the back, which greatly reduces resistance in the water. Their front...
Dolphins have a particularly developed brain, with the ability to solve complex problems, communicate effectively, and learn quickly. They use sophisticated cooperative strategies during hunting...
Under the skin of the chameleon, very special cells called chromatophores play with colors. These cells contain tiny colored pigments, somewhat like tiny pockets of...
Foxes dig complex burrows mainly to prevent their natural predators from easily surprising them. Their main enemies, such as wolves, coyotes, or larger birds of...
