As of right now, the elephant.
A mammoth
The largest mammal living right now are the blue whales and the largest land mammal are elephants.Blue Whale Balaenoptera musculus.Well, the question states, "on the earth" as far as land mammals, it would be the elephant.
Elephant
The largest mammal living in the Amazon River is the Tapir.
The blue whale is the largest know living mammal.
By almost any absolute measurement, the blue whale is the biggest mammal living today. It can grow up to 100 feet and weigh more than 100 tons. On land its the African elephant.
The elephant is the largest land mammal.
The elephant is the largest.
The largest land mammal in Asia is the Asian Elephant, Elephas Maximus.
The largest land mammal is the elephant while the largest sea mammal and the largest mammal in general is the blue whale.
Indricotherium
Elephant