Sloths have unique physiological characteristics that are adapted to their particular lifestyle. Their metabolism is extremely slow compared to other mammals of similar size. These...
The circadian rhythms of lemurs are biological cycles of about 24 hours that influence various aspects of their behavior and physiology. These rhythms are regulated...
The koalas' fur is thick and soft, composed of two types of hair. The outer hairs, longer and rougher, provide protection against the weather. The...
The lynx has tufts of hair on its ears for a very specific reason. These tufts of hair, called "brushes", are distinctive characteristics of this...
The pink color of the hippopotamus skin is due to a combination of biological factors. The pigmentation of hippopotamus skin is mainly caused by the...
Otters gather in clans for various reasons. Among these, we can mention protection against predators. By grouping together, otters increase their chances of deterring attacks...
Polar animals have a particularly dense and waterproof fur, which is an essential adaptation to their icy environment. This fur is made up of thick...
Peacocks have feathers of bright and varied colors, largely thanks to the presence of special pigments. These pigments are found in the cells of the...
Tropical fish are a festival of colors thanks to two main natural tricks: pigments and cellular structures. Pigments, such as carotenoids and melanin, absorb and...
Desert animals often have light-colored fur, it's simple. This fur reflects the sunlight, like a tiny mirror. It helps them avoid overheating. The less heat...