Description
Mammals represent one of the most diverse and widespread classes of vertebrate animals on Earth, having successfully populated almost every habitat, from the deep oceans to the mountain peaks. The defining feature that gave them their name is the presence of mammary glands in females, used to produce milk, the nutrient-rich substance with which they feed their young during the early stages of life.
These creatures are also remarkable for being warm-blooded, which allows them to maintain a relatively constant body temperature regardless of external environmental fluctuations. Another distinctive feature is the presence of hair or fur, an insulating layer that plays a crucial role in thermoregulation. Mammalian respiration takes place through the lungs, a process facilitated by an essential muscle called the diaphragm.
From the giant blue whale, the largest animal on the planet, to tiny mice, all mammals possess a complex internal bone structure and specialized dentition, perfectly adapted to their diet, whether they are carnivores, herbivores, or omnivores.
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