Mammals Apr 2026

Mammals are a diverse class of warm-blooded vertebrates, scientifically known as , distinguished primarily by the presence of mammary glands in females that produce milk to nourish their young. With over 5,500 identified species, they inhabit nearly every environment on Earth, from the deepest oceans to high-altitude mountains. Core Biological Characteristics

While mammals vary greatly in appearance, they share several defining physical traits: The Most Complete Guide To Mammals Ever Made! Mammals