Beluga whale suspected of spying for Russia found dead in Norway / Mystery as beluga whale 'rumoured to be Russian spy' found dead in European waters / Beluga whale terrifies children with playful snaps at aquarium / Rescued Beluga whales arrive in Spain / Beluga whales rescued in 'high-risk' operation / Video: Two beluga whales are rescued from dolphinarium in Ukraine and transferred to new home in Spain / New research on their metabolism helps conserve endangered beluga whales in Alaska / Beluga whale swims off Shetland coast in rare sighting / Beluga whale dies in Connecticut aquarium, third death among group transported in 2021 / Beluga whales scare toddlers at a chinese aquariums