Mammals: Mammals are warm blooded creatures who give birth to live young and produce milk. They are generally hairy, and live on land, with the exception of aquatic mammals such as whales and dolphins, and flying mammals such as bats.
Examples: Indian elephant, human, bulldog, rat, cow, horse, red kangaroo, grizzly bear, spider monkey.
Extinct Mammals: Wooly mammoth, megatherium, wooly rhino, quagga, Pyrenean Ibex, Red Colobus Monkey,
See the following resources: