This happened to some species of whales, on Earth in the last century.

Many species of whales and dolphins can be seen in this area.

In nearly all the samples, they were able to identify not only the whale species, but its likely home ocean.

The blazon is not clear about the species of whales.

Some whale species, like the blue, are truly endangered and should never be hunted.

The scientists then compared the sequences for 16 species of whales and fed the information into a computer.

As with most species of beaked whales, no population estimates have been made.

Belugas were among the first whale species to be kept in captivity.

Today, there is a treaty which bans the hunt of some whale species.

For all other beaked whale species studied, the highest recorded age is between 27 and 39 years.