Mammals

Definition of Mammals as it relates to Animals, Fossil Animals, Fossil Vertebrates

Mammals are a group of warm-blooded animals characterized by their hair or fur, which serves as insulation and protection against the elements. They give birth to live young and nurse them with milk produced by specialized glands. Mammals range in size from tiny shrews to massive whales. They inhabit diverse environments around the world, including forests, grasslands, deserts, oceans, and even the polar regions. Some mammals are herbivores, while others are carnivores or omnivores. Mammals have complex social structures, with some species living alone and others in groups. They communicate through a variety of vocalizations, body language, and scent marking. Fossil mammals provide valuable insights into the evolutionary history of this group, revealing how they adapted to different environments and changing climates over millions of years.

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