Interesting and Unbelievable Facts

Narwhal, also called narwhale, is a toothed whale with a unique long protruding tusk.  They live in the Arctic waters of Canada,  Russia , Greenland, and  Norway . The scientific name of the narwhal is “ Monodon monoceros ”. The name relates to its extraordinary teeth and means “one tooth, one horn.” The length of narwhals is between 13 and 20 feet. They can weigh up to 1.5 tons.  Narwhal tusks can grow up to  10 feet long . Scientists have collected data from narwhals to study the effects of global warming  on the Arctic. For this purpose, they attached sensors to the cartilage and blubber of 14 narwhals between 2005 and 2007. It was helpful to retrieve data on the ocean ’s temperature and salinity up to the depth of 1,800 m (6,000 ft.). ( Source ) Gathering data in the continental shelf of East Greenland is difficult for oceanographers due to temperature differences in ocean depths and the presence of fjords. Even modern research vessels are ...