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  1. Mammal - Wikipedia

    The basic mammalian body type is quadrupedal, with most mammals using four limbs for terrestrial locomotion; but in some, the limbs are adapted for life at sea, in the air, in trees or underground.

  2. Mammal | Definition, Characteristics, Classification, Examples, & Facts ...

    Feb 5, 2026 · It is estimated that there are more than 5,500 living mammal species. Mammals are incredibly diverse and can be found in every major habitat. What is the biggest mammal? The …

  3. MAMMALIAN Definition & Meaning - Merriam-Webster

    : of, relating to, or characteristic of mammals : belonging to the Mammalia. Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged. Discover what makes Merriam …

  4. What Are the Defining Mammalian Characteristics?

    Aug 2, 2025 · From tiny shrews to colossal whales, their widespread presence sparks curiosity about what unites them. Despite vast differences in size, habitat, and lifestyle, all mammals share distinct …

  5. MAMMALIAN Definition & Meaning | Dictionary.com

    MAMMALIAN definition: an animal of the class Mammalia; mammal. See examples of mammalian used in a sentence.

  6. Mammalian - Definition, Meaning & Synonyms | Vocabulary.com

    Use the adjective mammalian to describe warm-blooded vertebrates with hair, or anything related to them. Your sister might be fond of snakes and frogs, while you'd prefer a mammalian pet, like a dog …

  7. What Makes a Mammal a Mammal: Key Characteristics

    5 days ago · Mammalian brains are relatively large for their body size, but the truly distinguishing feature is the neocortex: a layered sheet of tissue on the brain’s outer surface. The neocortex …

  8. Mammalian - definition of mammalian by The Free Dictionary

    Define mammalian. mammalian synonyms, mammalian pronunciation, mammalian translation, English dictionary definition of mammalian. n. Any of various warm-blooded vertebrate animals of …

  9. What is a Mammal? | manoa.hawaii.edu/ExploringOurFluidEarth

    There are 128 known species of marine mammals. Marine mammals include whales, sirenians, pinnipeds, the marine otter, the sea otter, and the polar bear. Figure 6.3 shows some examples of …

  10. Mammalia (mammals) | INFORMATION | Animal Diversity Web

    Different species of mammals have evolved to live in nearly all terrestrial and aquatic habitats on the planet. Mammals inhabit every terrestrial biome, from deserts to tropical rainforests to polar icecaps. …