Original: They include the largest animal that has ever lived, the Blue Whale, which can reach , and two others that easily pass ; even the smallest of the group, the Northern Minke Whale, reaches .
Simplified: They include the largest animal that has ever lived, the Blue Whale, which can reach 150 tonnes, and two others that easily pass 50 tonnes; even the smallest of the group, the Northern Minke Whale, reaches 9 tonnes.