This movement is called migration. And scientists are constantly discovering new species. In fact, about 75 percent of all animals are insects. Dogs, mice, whales, and humans are mammals. What Is a Mammal? See more. Migration is part of the life cycle of these animals. Wild Animals Lesson for Kids: Facts & Types. Simone was in her backyard playing when she saw a raccoon. Definition Of A Mammal: A Member Of Mammalia Some of the world’s biggest mammals – such as this humpback whale – are mammals. Are humans animals? Mammals are among the most adaptable animals on the planet. The largest land mammal is the elephant followed by the … Mammal definition is - any of a class (Mammalia) of warm-blooded higher vertebrates (such as placentals, marsupials, or monotremes) that nourish their young with milk secreted by mammary glands, have the skin usually more or less covered with hair, and include humans. Largest and Smallest Mammals The largest mammal is the Blue Whale which lives in the ocean and can grow to over 80 feet long. The smallest mammal is the Kitty's hog-nosed bat. A mammal is an animal that breathes air, has a backbone, and grows hair at some point during its life. The largest land mammal is the elephant followed by the rhino and the hippo (which does spend a lot of time in the water). Smile and Learn - English 1,075,260 views Different as they are from one another, however, mammals have a number of important physical and behavioral characteristics in common. All mammals but the monotremes bear live young. This provides the fetus with a safe and constant environment, and its food supply is not limited by what a yolk can provide. You have seen animals before, but have you ever wondered what makes something an animal? Scientifically speaking, a mammal is a member of a ‘ class ’ of animal called ‘ Mammalia ’. Mammals can also be found on many oceanic islands, which are principally, but by no means exclusively, inhabited by bats. Mammals are among the most adaptable animals on the planet. Mammal definition, any vertebrate of the class Mammalia, having the body more or less covered with hair, nourishing the young with milk from the mammary glands, and, with the exception of the egg-laying monotremes, giving birth to live young. They are found on every continent and in every ocean, and range in size from tiny bumblebee bats to enormous blue whales. Major regional faunas can be identified; these resulted in large part from evolution in comparative isolation of stocks of early mammals that reached these areas. Placental mammals produce fully developed young that are suckled and protected by the mother, in the manner of all higher animals. They are found on every continent and in every ocean, and range in size from tiny bumblebee bats to … Mammal definition, any vertebrate of the class Mammalia, having the body more or less covered with hair, nourishing the young with milk from the mammary glands, and, with the exception of the egg-laying monotremes, giving birth to live young. How to use mammal … Largest and Smallest Mammals The largest mammal is the Blue Whale which lives in the ocean and can grow to over 80 feet long. Unlike other vertebrates, mammals have a diaphragm that separates the heart and lungs from the other internal organs, red blood cells that lack a nucleus, and usually hair or fur. Mammals range in size from the vast blue whale to tiny rodents. ... ''I can tell what a mammal is and I can give some examples.'' Mammals have existed for the past 200 million years. Mammals are among the most intelligent of all living creatures. Evolution. From Britannica, an online encyclopedia resource for kids in grades K-12 with safe, fact-checked, age-appropriate content for homework help and learning… Insects developed on Earth long before humans did. Many mammals, birds, fishes, insects, and other animals move from one place to another at certain times of the year. Vertebrate Animals for kids: Mammals, fish, birds, amphibians and reptiles - Duration: 8:45. One of the six basic animal groups, mammals live in the sea, in the tropics, in the desert, and even in Antarctica. Today there are about 1 million known species, or types, of insect.