The Blue whale
Image of blue whale
Blue whale, (Balaenoptera musculus), also called sulfur-bottom whale, the most massive animal ever to have lived, a species of baleen whale that weighs approximately 150 tons and may attain a length of more than 30 metres (98 feet). The largest accurately measured blue whale was a 29.5-metre female that weighed 180 metric tons (nearly 200 short [U.S.] tons), but there are reports of 33-metre catches that may have reached 200 metric tons. The heart of one blue whale was recorded at nearly 700 kg (about 1,500 pounds).
The blue whale lives in the sea now, but long time ago they lives on the land.
The blue whale can dive very deep, but they need go up to breath the air. They can dive for 30 minte . They are mammal, and they are social animal.
Every day they can eat about 3~4 tons of fish. Such as fish and plankton.
They are endangered species. They are only 5000 ~ 12000 in the world today.
How can we save it?
We should make the sea clean, not water pollution. Don't kill them and protect then.