Thursday, December 15, 2011

Blue Whale

Blue Whalehttp://mrsthordarson.edublogs.org/files/2010/10/humpbacks_noaa11.jpg
The largest species of whales at all, kind of whales useless teeth known as the (blue whale), and is characterized by blue whale-colored skin, blue italics to Aldkinh (or gray), and dotted with a number of points the lightest bit of color, which is the largest body of a living Earth's age in ancient and modern and the highest tone of voice of a living, and comes from this kind of whale sounds deep and resonant vibrations with low spread to long distances in aqueous media, enabling it to communicate with each other over hundreds of miles away.Varies along the blue whale of between 20 meters and 33 meters, and weight Between 90 tons and 180 tons, and the head of the whale alone one quarter the length of his body, his body long Istdq in the direction of guilt and this whale giant is characterized by calm conditions, and modesty, shame, floating on the surface of sea water and the ocean at a speed between 20 km and 50 Mtrasaah Kalhumicrasaah live in small groups or large ranges of the individual life of its members between 30 and 80 years old and a female blue whale larger than the male, which help her to carry and care for their young.Start of pregnancy, females from the age of 5 to 10 and give birth one every 2 to 3 years, after a gestation period goes from 10 to 12 months.And baby blue whale is feeding from his mother more than fifty gallons of milk per day, and gaining weight at a rate ten pounds at no more than 200 pounds per day, in the early weeks and at birth length (baby) blue whale to seven meters .. And weight to the two and after a year of age up to 18 meters in length, and the mother continues to breast-feed small as 7 to 8 months and a maximum of one year and then weaned.OverfishingUnfortunately, the fishing companies Jarret on the blue whale throughout the first half of the twentieth century until almost Tfnyh, and a catch 90% of the whaling industry until it reached the total were caught in one chapter of the chapters of fishing in 1931 more than thirty thousand blue whales As a result, only that I took their numbers continued to decline in the various seas and oceans, even the giant is about this type of extinction .. And not least because of the numbers expected today from the gigantic animal could hardly exceed eleven thousand out of more than two hundred thousand and that was the result of overfishing and environmental pollution.This is known as the type of whale that edentulous, and instead it gave him God the number of panels the cornea, which consists of a substance known as keratin, ranging in number between three hundred and four hundred board known as the (Albalinat) and hang from the sides of the upper jaw, and out of each and every one of those panels filaments in the minutes till its internal direction of the tongue, and the length of the panels, each of which more than a meter and decreases to about half a meter in the direction of front of the mouth, the blue whale's mouth expands to contain 200 tons of water in the Sip one.And is characterized by the body of the whale by about 5070 fold extends from the beginning of the lower jaw to the middle of the bottom of the body (navel) to help the swelling when taking this huge amount of water from the seas and oceans, and from the different life forms wandering (floating) and swimming, particularly the small crustaceans like shrimp known as (Creel), and when you close the blue whale mouth, the water expelled through the panels Albalinat that hold what was the living organisms in a tongue to swallow, and out of pure water from both sides of the mouth because the mouth very wide and flat shaped (U) The inside edge of one at the front of the mouth, so the individual can very from blue whales to eat between 46 tons of floating in the sea alive per day, totaling an average of forty million living organisms.

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