Beluga Whale 35-50 years beluga whale Beluga whales Beluga Whale Beluga whales 30 to 50 years Beluga Whales Arctic Beluga Whales beluga whales Beluga Whale sea ice patterns Belugas Beluga whale Beluga Whale Beluga Whale beluga whale National Geographic beluga whales 35 to 50 years beluga whales Beluga whale beluga whales NatGeo Beluga whales