Sloths have an extremely slow metabolism, which operates at a slower pace compared to that of other mammals. Their body temperature is low, often around...
Lemurs are animals very sensitive to their internal clock, called circadian rhythm. This natural biological rhythm guides their bodies in the day-night alternation and allows...
Koalas have a thick fur that acts like a true sponge to absorb the essential oils produced by the eucalyptus trees they favor. Their dense, woolly hairs...
In lynxes, the tufts of fur at the tips of their ears, called ear tufts, primarily serve to enhance their auditory perception. These hairs capture...
The skin of the hippopotamus is naturally gray, but often appears pink due to its thinness and low hairiness: the pinkish hue from the blood...
Otters live in clans primarily because it facilitates their access to essential resources like food and shelter. In certain environments where fish and other prey...
Polar animals, such as polar bears and Arctic foxes, have a very dense fur made up often of two layers: a soft insulating undercoat close...
In peacocks, having spectacular feathers is mainly a matter of courtship. Females often choose their mate based on the size, number, and quality of the...
The flashy colors of tropical fish mainly come from specific cells located in their skin: chromatophores. These cells contain different pigments that allow them to...
Desert animals often have large ears or long, thin limbs to easily dissipate body heat. Take the fennec, for example: its large ears catch warm...
