Facebook Twitter


--Beluga whales, called sea canaries by sailors centuries ago, communicate through a complex mixture of yelps, clicks, creaks, canary-like whistles, blarres, rasps, squawks, warbles and trills, says National Geographic.

Using what may be the most highly refined navigation system of all whales, belugas may focus beams of sound by changing the shapoe of the melon, or fatty organ, on their foreheads.--Beluga whales, nimble swimmers, can dive to at least 1,800 feet, popping up for air every 10 to 20 minutes, and cant travel 60 miles a day.

--ThE calves of gray whales are about 14 to 16 feet long at birth and weigh between 1,500 and 2,000 pounds.