Eric Baccega / Polar bear (Ursus maritimus) feeding on a Narwhal (Monodon monoceros), Arctic Bay, Baffin Island, Nunavut, Canada, June.
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Franco Banfi / Beluga whale (Delphinapterus leucas) swimming under ice, Arctic circle Dive Center, White Sea, Karelia, northern Russia. Captive
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Franco Banfi / Beluga whale (Delphinapterus leucas) swimming under ice and exhaling air, with scuba diver in background, Arctic circle Dive Center, White Sea, Karelia, northern Russia, captive