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What are mammals?
Mammals are vertebrate animals constituting the class Mammalia, and characterized by the presence of mammary glands which in females produce milk for feeding their young, a neocortex, fur or hair, and three middle ear bones.
What are mammals' key characteristics?
On the following slides, you'll learn about the eight main mammal characteristics, ranging from hair to four-chambered hearts.Hair and Fur. ...Mammary Glands. ...Single-Boned Lower Jaws. ...One-Time Tooth Replacement. ...Three Bones in the Middle Ear. ...Warm-Blooded Metabolisms. ...Diaphragms. ...Four-Chambered Hearts.
How many legs do mammals have?
Not only do mammals have four legs but actually all terrestrial vertebrates (which include mammals) have four legs. There are slight exceptions though as some lineages have lost their legs.
What is the largest mammal on land?
The largest land mammal extant today is the African bush elephant. The largest extinct land mammal known was long considered to be Paraceratherium orgosensis, a rhinoceros relative thought to have stood up to 4.8 m (15.7 ft) tall, measured over 7.4 m (24.3 ft) long and may have weighed about 17 tonnes.
What is the largest mammal in the world?
The blue whale is a marine mammal belonging to the baleen whale parvorder, Mysticeti. At up to 29.9 meters in length and with a maximum recorded weight of 173 tonnes, it is the largest animal known to have ever existed
What is the largest mammal in the UK?
The largest wild mammals that remain in Britain today are predominantly members of the deer family. The red deer is the largest native mammal species, and is common throughout England, Scotland and Wales.

Question: What about the largest to ever walk the earth
Self-contained rewrite: What about the largest mammal to ever walk the earth?