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Every major habitat has been exploited by mammals that swim, fly, run, burrow, glide, or climb. There are more than 5,500 species of living mammals, arranged in about 125 families and as many as 27–29 orders (familial and ordinal groupings sometimes vary among authorities).
What animals are Mammals? There are nearly 6,500 publicly recognized mammal species with more being discovered all the time. Popular mammal examples include cats, dogs, horses , elephants, whales, and humans.
Mammal. A mammal (from Latin mamma 'breast') [1] is a vertebrate animal of the class Mammalia (/ məˈmeɪli.ə /). Mammals are characterized by the presence of milk -producing mammary glands for feeding their young, a broad neocortex region of the brain, fur or hair, and three middle ear bones.
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 tiny shrews to humans to the colossal blue whale.
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...
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.
There are around 5000 species of mammal. The list below represents the most commonly known mammals grouped both alphabetically and by classification group. Click on a mammal for facts about that mammal.
Mammal facts, pictures & information: the ultimate guide to mammals. What is a mammal? How did mammals evolve? What is the class Mammalia?
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 the young) and a highly developed organ system (capable of performing specific functions within the body).
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 hearts, that set mammals apart from all other vertebrates.