The astonishing appearance of stick insects that perfectly mimic branches is primarily the result of evolution by natural selection. Over generations, the best-camouflaged stick insects...
If elephants' ears are so enormous, it's not just a matter of appearance. In reality, large ears allow for better thermal regulation. How does it...
Dogs have a pinna that is much larger, mobile, and flexible than that of humans. This allows them to capture ultra-fine sounds and even very...
The tongue of giraffes is long (up to about 50 centimeters!), muscular, and prehensile, which means it is strong and agile enough to easily grasp...
The giant ears of elephants are not just for looks; they play a key role in their survival. First, having these massive ears helps regulate...
Goats are prey animals, so they must quickly detect the arrival of a predator. Their rectangular pupils provide an extended horizontal field of vision, which...
By building Machu Picchu at this precise location, perched at about 2400 meters above sea level, the Incas had a stunning view to monitor the...
Some snails enter prolonged hibernation in response to extreme weather conditions, particularly severe droughts or intense and prolonged cold. When their immediate environment no longer...
Some species are programmed to maximize their reproductive success by reproducing only once in their lifetime: this is called semelparity. In this case, all the...
When a foreign body such as a grain of sand or a parasite accidentally enters the shell, the organism of the mollusk instinctively reacts. To...
