Keywords: مهر و موم ریشو; Ringed seal; Pusa hispida; Bearded seal; Erignathus barbatus; Bowhead whale; Balaena mysticetus; Pacific walrus; Odobenus rosmarus divergens; Beluga whale; Delphinapterus leucas; Gray whale; Eschrichtius robustus; Bering Sea; Chukchi Sea; Beaufort Sea; Di