Three beluga whale facts: They're most closely related to narwhals (yep, those guys with the horns), they weigh about 1.5 tonnes and are prey of polar bears.*
Oh hang on! One more thing. They're also incredibly cool. Check out this one that has become a sensation at an aquarium after learning how to blow halo-shaped bubbles. The acesome sight was captured on camera by snapper Hiroya Minakuchi at the Shimane aquarium in Japan. Video below, n'all...
(*) (Thanks to Mr J Maguire for pointing out that our original facts were utter tosh -- consider our wrist slapped).