Birds repeat sounds primarily thanks to a special area in their brain called the syrinx, unique to birds and located where their trachea splits into...
Platypuses belong to a very ancient branch of mammals that appeared about 166 million years ago. At that time, mammals had just begun to differentiate...
When humpback whales leap out of the water, it’s not just to impress tourists! This behavior, called breaching, can actually serve to disorient and scare...
Located about 400 kilometers from the African continent, Madagascar became isolated after breaking its ties with the supercontinent known as Gondwana around 160 million years...
Marine sponges spend their lives filtering the water around them. They do not move, but it is their billions of specialized cells, called choanocytes, that...
The transparency of jellyfish mainly comes from their bodies, composed of about 95% water, a practical biological trick that makes them invisible or nearly so. Their tissues...
In seahorses, it's the dad who takes care of the pregnancy! As soon as the female lays her eggs, she immediately transfers them into a...
Birds mainly migrate to follow habitats that offer better conditions for survival. Every year, millions of birds change regions because their environment becomes less suitable...
Earthworms are true natural gardeners, as they consume soil and then excrete waste called turricules, which are extremely rich in beneficial nutrients for plants. Their...
The bodies of octopuses are shaped for natural backward propulsion. They draw water into their pallial cavity (a sort of muscular pocket around the body), then expel...
