Vexillology - The Study of Flags

That is not a defined region however. It includes many different indigenous groups and disconnected communities with their own local governments and representatives. They don’t want to be a single region, which is why it’s a grouping of several different Burroughs like the article states.

The “Far North” only exists on paper for US government policy. It isn’t actually used in practice.

Orcas are also not that unique to the region, so I’m not sure why they should be the defining symbol.