Most narwhals live in the arctic. When disturbed with boats a lot of them leave spurts of oil behind. It also affects the ice leaving the temperature of the water at a disadvantage.
Many don't realize the impact of boats and the underwater noises they make. The narwhal's get lost and confused with communication that they actually run into a lot of ships. This can also lead them to follow the sounds into a very far place from their home.
This graph shows the impact when killer whales are present and not present. In the more red and green areas are a representation of higher populations of narwhals. The shape of the results is dependent on the different temperature of these areas.
On this graph most of the narwhal population is represented by different climates. It differs each year at a steady rate with an average celcius degrees. Although it rapidly changes in 2015 because of global warming. (click to see full graph)
First thing about narwhals is their tusk which varies in size but not all have them and some can have two. Most narwhals don't migrate like other whales and live in Arctic waters of Canada, Greenland, Norway and Russia. The threats they face vary from oil development, noise pollution, and climate change. Although narwhals do like to eat and feed on Greenland halibut, Arctic and polar cod, squid and shrimp. Also they are mammals which means they get air from cracks in the sea ice. The color in narwhals changes with age, newborns are a blue-gray, juveniles are blue-black and adults are a mottled gray.
The narwhal's tusk is one must useful tool that grows up to ten feet, but for what? It has been discovered in northeastern Canada that is use to hunt Arctic cod in recent drone footage. It is said that they hit and stun them, making their food easier to consume. In recent years it has been proven to help them 'see' due to that they have the most directional sonar ever. So the nerves in the tooth help it detect things faster since it's so close to the brain. All this can conclude that the narwhal's tusk (tooth) is amazing.
It's said that narwhals that interact with humans have a very complex response and can harm them. For one biologists in Greenland checked their heart rate which plummeted anywhere from sixty per minute to just three or four. They are two reactions in a mammal an active or a passive and many narwhals are in a active reaction as they swim fast and move their fins as quickly as possible. The main problem is they use about ninety-seven per cent of their oxygen stores in these escapes from humans. So basically the restriction of oxygen to their brains could confuse or disorientate them in the face of new and unfamiliar threats.
One of biggest issues for narwhals is climate change. Most narwhals prefer to congregate near unique glacier fjords with thick ice fronts and low to moderate calving activity, where icebergs break off infrequently. With the change in glaciers for narwhals there's is a lot of movement. It is said that arctic marine mammals are very specialized and attuned to specific environmental conditions. They usually look for fresh-water which in the summer can shed their skin since they are related to the beluga whale.
The population in narwhals has dropped incredibly small. There has been many involvements but the main issue is the lack of knowledge. The limit in resources has also put us at a disadvantage. Many of the organizations such as the WWF suggest that people become solar dependent to have less oil consumption. This will make our world a lot cleaner and save sea-life.
Narwhals are real and make the world a beautiful place. Although a loud threat is emerging from oil development in the ocean and many people believe they can mine in these areas. The noise issues also brings a lot of confusion. Scientist suggest we recreate a narwhal ear. A lot of Norway and other facilities in Canada have helped to change this. The other thing is it's very expensive and we'll need a lot more support because otherwise why are we doing it.
Fifty years in a narwhals life we have to save it as sound beams are highly targeted. Many can survive in the cold arctic because of their blubber but the change in hotter climate can hurt them. Lastly many are using solar panels to save the environment.