Only one or two in the case of the blue whale.

The world population of blue whales is probably fewer than 10,000.

Take one more look at the blue whale, as if you could avoid it.

Blue whales most commonly live alone or with one other individual.

Well, what would you do if an 80-ton blue whale turned up on your front lawn?

Previously, a blue whale had not been seen in this area since 1936.

The blue whale is the largest animal ever known to have lived.

According to environmental groups, however, blue whales have not recovered.

Now it's the turn of the great blue whale, the largest animal on earth.

A large increase in the numbers of blue whales has been recorded off the California coast.