Seven Secrets That Experts Of Whale Don't Want You To Know.

•  Male Humpback whales found in U.S. waters sing complex songs in winter breeding area in Hawaii, in the caribbean and elswhere that can last up to 20 minutes and be heard miles away.

• The Blue Whale is the largest animal that ever lived and can grow to 90 or more feet and weigh as much as 24 elephants! That's more than 330,000 prounds.

• Some species of whales are among the longest lived mammals. Scientists estimate bowhead whales can live for more than 200 years, and killer whales can live for more than 100 years.

• Killer whales are highly social and often travel in groups that are matrifocala family unit focused or centered on the mother.

• Beluga whales have flexible necks allowing them to move their heads. 
• Their complex communication repertoire of whistles, clicks and chirps has prompted the nickname "canaries of the sea".

• Gray whales make one of the longest annual migrations of any mammal: they travel about 10,000 miles (16,000 km) round trip!

• North Atlantic right whales gather small organisms near the water surface, straining seawater with their long baleen plates. The whale's surface feeding behaviour and buoyancy make them vulnerable to collisions.

• In 2014, a cuvier's beaked whale made the deepest and longest dive ever recorded for a cetacean when it reached a depth of 1.9 miles and stayed submerged for more than 2 hours.