All mammals are vertebrates. A vertebrate is any living being with a backbone or a spine.Know More
Though some live on land and some in water, mammals have some other things in common. They all have body hair and are warm blooded; they can live in most environments because they are able to regulate their body heat. Adult female mammals produce milk to feed their young.
More than 4,000 species of mammals exist. The largest of them is the blue whale. It can grow up to 100 feet long and weigh up to 300,000 pounds. In stark contrast, the hog-nosed bat weighs a mere 0.05 ounces.Learn more about Mammals
All mammals have hair that covers at least part of their bodies, nurse their young through mammary glands and have muscular, four-chambered hearts. All mammals also have three inner ear bones: the incus, malleus and stapes, and lower jaws made of a single bone. All mammals are vertebrates, which means that they have backbones, and they are all warm-blooded, which means they are capable of regulating their own body temperature.Full Answer >
Whales are classified as mammals and not as fish because they give birth to live young. They also have a sparse amount of fur on their bodies, they have lungs that breathe air and they give milk to their young.Full Answer >
Dolphins are mammals, not fish. They, along with porpoises and whales, are cetaceans — marine mammals belonging to the order Cetacea. Unlike fish, dolphins are warm-blooded, not cold-blooded, and breathe using lungs instead of gills.Full Answer >
Three-toed sloths are mammals that live in South and Central America. They weigh 8 to 10 pounds and have an extra vertebrae in their necks that allows them to turn their heads a full 270 degrees. They also have a distinctive, high-pitched "ah-eeeee" cry that two-toed sloths do not emit.Full Answer >