Around 6,640 extant species of mammals have been described and divided into 27 orders. [2] The study of mammals is called mammalogy. The largest orders of mammals, by number of species, are the …

Oct 6, 2022 · Types of animals that are mammals include warm-blooded vertebrates that have hair or fur and whose babies drink milk. Unlike other animal types like birds and insects, all mammal babies …

Dec 12, 2025 · Every major habitat has been exploited by mammals that swim, fly, run, burrow, glide, or climb. There are more than 6,800 species of living mammals, arranged in about 125 families and as …

Nov 22, 2023 · Learn about mammals. Discover their characteristics, get examples, and learn about different orders of mammals.

Feb 17, 2025 · What are mammals with examples. Where do they live. Learn about their classification, evolution, lifespan, reproduction, and adaptations with images.

Mammals are among the most adaptable animals on the planet. They are found on every continent and in every ocean, and range in size from tiny bumblebee bats to enormous blue whales.

Apr 23, 2025 · They are divided into three main groups: monotremes (egg-laying mammals), marsupials (pouched mammals), and placentals (mammals with a placenta). The modern classification of …

Explore facts and photos about mammals found in the United States. Learn about their range, habitat, diet, life history, and more.

Apr 29, 2025 · What exactly is it that makes a mammal a mammal, and not a reptile, a bird, or a fish? There are eight main characteristics of mammals, ranging from having hair to four-chambered …

Mammals are an incredibly diverse group of vertebrates that occupy nearly every habitat on Earth. Their evolution, complex behaviors, and unique physical traits have made them one of the most fascinating …