For those attempting to keep kosher in regions where they might be tempted to eat polar bears, note that moose, elk, deer, antelope, wild goats, and bison are all potentially kosher provided they are slaughtered and prepared the right way. Seal is definitely not kosher, in that seals live in water and do not have either scales or fins.
See also
which discusses the difficulties of keeping kosher on the frontier- no joke keeping two sets of dishes (and cookwear) in that cabin or tent.
See also
Frontier Rabbi
I am not Jewish BTW, but grew up on college campuses and thus among a lot of Jews, and also have spent too much time reading the mammoth cookbook
Larrouse Gastronomique (which tells you whether every single animal a person might want to eat is or is not Kosher, among a mountain of other info and recipes for eagle (NOT kosher) and whatnot). Also, i lived most of my life in NYC, where, as you may heard, there are several Jews.