Look at a massive concrete dam and you expect to see rushing water. You definitely do not expect to see a herd of large animals casually walking across a sheer vertical drop. But in the mountains of northern Italy, gravity seems to be completely broken. A specific type of wild goat called the Alpine Ibex has turned one of the tallest man made structures in Europe into a personal playground.
If you look at photos of the Cingino Dam, you will see tiny dots scattered across the massive wall of stone. When you zoom in, those dots are actually full grown goats hanging hundreds of feet in the air. They are not stuck and they are not falling. They are completely relaxed and just hanging out on a wall that looks like a pure ninety degree angle.
A Deadly Craving for Salt
You might think they are running away from a hungry snow leopard or a pack of wolves. But the real reason they risk their lives on a terrifying cliff is actually incredibly simple. They are just really craving a salty snack.
The completely vegetarian diet of the Alpine Ibex lacks essential minerals like calcium and salt. They desperately need these exact nutrients to survive the harsh mountain winters and build strong bones. The stones of this specific dam absorb salt from the water and the aging concrete. So the goats simply walk right out onto the terrifying wall to lick the delicious minerals directly off the rocks.
It looks like a total glitch in the matrix. They look like bugs clinging to a window pane. But they are perfectly in control of every single step.
Hooves Built Like Climbing Shoes
Human rock climbers spend thousands of dollars on ropes and sticky rubber shoes just to safely scale a small boulder. The Ibex handles a massive vertical dam using nothing but evolutionary biology. Their hooves are a complete masterpiece of natural engineering.
The outer edge of the hoof is made of a very hard and sharp keratin material. This sharp rim allows them to hook onto microscopic cracks and ledges in the stone that a human eye can barely even see. But the real magic is hidden on the inside of the foot.
The bottom center of their hoof is soft and squishy like a rubber car tire. When they step on a tiny bump on the wall, the soft center molds perfectly around the rock. The hard outer edge catches the weight while the soft inner pad creates a tight suction cup effect.
Because of this brilliant two part foot design, they can casually stroll across a sheer drop that would completely terrify a professional human athlete. They easily defy the laws of physics just to get a quick taste of salt. The natural world is full of wild survival tricks, but the climbing goats of Italy might be the ultimate acrobats of the animal kingdom.
References: National Geographic, BBC Earth, Live Science