Thousands of playful belugas frolic along Canada's Churchill River—and are now key to area's tourism
(Newser) -
Playful large white beluga whales bring joy and healing to Hudson Bay. Their happy chirps leap out in an environment and economy threatened by the warming water that's melting sea ice, starving polar bears, and changing the entire food chain. Loud and curious belugas swarm boats here, clicking, nudging,...