| 1 | After decades of being hunted, the whales finally received protection in 1966. | |
| 2 | But past studies suggest only blue whale males make calls like this. | |
| 3 | But their populations have been slow to recover, and the blue whale is still endangered. | |
| 4 | Even as a baby, a blue whale can make a grown man look like a minnow. | |
| 5 | One blue whale swam steadily past Long Island about 60 miles from the shore. |