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.

Dec 12, 2025 · 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 …

Nov 22, 2023 · Mammals are warm-blooded, hair-bearing vertebrates that produce milk. Mammals represent a diverse and fascinating class of animals, encompassing a wide range of species from …

: 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 …

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 …

MAMMALIAN definition: 1. relating to mammals (= animals whose female feeds her young on milk from her own body): 2…. Learn more.

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

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 …

Unlike other vertebrates, they are the only animals that produce milk for their young through their mammary glands. Parental care of the young is universal among mammals, sometimes for long …

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 …