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  1. Mammals - Our Complete List - A-Z Animals

    Oct 6, 2022 · If you’ve ever questioned whether or not one of these animals is a mammal, this is the list for you! Read on to find out more about which species are considered mammals and what makes …

  2. Mammal - Wikipedia

    Mammal ... A mammal (from Latin mamma 'breast') [1] is a vertebrate animal of the class Mammalia (/ məˈmeɪli.ə /). Mammals are characterised by the presence of milk -producing mammary glands for …

  3. Mammal | Definition, Characteristics, Classification ...

    Dec 22, 2025 · mammal, (class Mammalia), any member of the group of vertebrate animals in which the young are nourished with milk from special mammary glands of the mother. In addition to these …

  4. Mammals – Definition, Examples, Characteristics

    Nov 22, 2023 · Mammals represent a diverse and fascinating class of animals, encompassing a wide range of species from tiny shrews to humans to the colossal blue whale. As members of the class …

  5. Mammals - Definition, Types, List, Characteristics, and Pictures

    Dec 31, 2025 · Mammals are a group of complex warm-blooded animals belonging to the class Mammalia. They are recognized by the presence of mammary glands (which produce milk to feed …

  6. Mammals - National Geographic Kids

    Mammals include humans and all other animals that are warm-blooded vertebrates (vertebrates have backbones) with hair. They feed their young with milk and have a more well-developed brain than...

  7. 30 Examples of Mammals (With Pictures) - Wildlife Informer

    There are an estimated 6,400 species of mammals throughout the world today. Mammals and birds are the only warm blooded vertebrates on the planet. The largest mammal on earth, the blue whale, is on …

  8. Mammals: Characteristics, Types, Classification, Behaviors ...

    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 …

  9. Mammals | Fact file | BBC Earth

    Welcome to the incredibly diverse world of mammals. This group includes humans and all other hairy warm-blooded vertebrates. Their brains are better developed than other types of animals, and they …

  10. Mammals - National Wildlife Federation

    Mammals—a group that include humans—are warm-blooded animals with hair and vertebrates, or backbones. Unlike other classes of animals, female mammals produce milk to nourish their young. …