They live in all the seas of the world and share the same habitat as belugas in the sub-Arctic region.
There is substantial evidence that the climate of the Arctic and sub-Arctic region is warming, at least in some seasons.
It breeds in the Arctic and sub-Arctic regions of Europe, Asia, and North America.
Cradleboards have been used in cultures ranging from the sub-Arctic regions of present-day Canada, down to Mexico and Central America.
They have inhabited the northern arctic and sub-arctic regions of Fenno-Scandinavia and Russia for at least 5,000 years.
Organisms from sub-arctic regions are also advected into the bay by intrusions of the Oyashio Current resulting in very high biodiversity.
As is now the case, he says, the warming would be most pronounced in the winter, at night, and in sub-Arctic regions like Siberia and Alaska.
Now, after two weeks of journeying through a wild, sub-arctic region, they were approaching the confines of the eternal ice.
I would emphasise that the sub-arctic regions are currently part of Objective 6 and have been incorporated into the new Objective 1 under Agenda 2000.
Our sub-arctic regions are rather like your habitable zone; we're farther out of our last Ice Age than you, but not out, you see.