Beluga Whale Video Clip 1he beluga whale is a small, toothed whale that is white as an adult.Beluga means "white one" in Russian.It is estimated that there are about 40,000 to 80,000 beluga whales world wide. St. Lawrence, Cook Inlet, and Alaskan belugas are classified as endangered. Belugas are threatened by pollution (DDT, PCB's, etc.) in estuary waters that they frequent and breed in.They have the most sophisticated bio sonar of all.See more about the beluga in our film Before It's Too Late - The Zoos Future Proofing