We know they can swim a long way because periodically one ends up in Iceland and gets shot to the dismay of the tree huggers. The shortest distance between the two is 186 miles snd average is a lot greater than that. Icelandic authorities estimated that it swam about 300 miles to get there from Greenland.
We know that they are not endangered and they’re extremely dangerous.
We know that they drink Coke. And i personally know I’m glad they stay in the high northern latitudes.
Yes. They used to be seen as a circumpolar species.
They have been broken into several “populations” in order to push for more research funding and to justify banning hunting.