Which Arctic whale, the only cetacean with a long spiralled tusk protruding from its head, is sometimes observed in the waters around Franz Josef Land?

• A The beluga
• B The narwhal ✓
• C The bowhead whale
• D The orca

The narwhal's (Monodon monoceros) tusk is actually an elongated upper left canine tooth; it is occasionally spotted in Arctic waters though it is rare compared to Canadian and Greenlandic populations.