Wednesday, October 19, 2011

Life of Beluga Whale

Life of Sea | Beluga Whale (Delphinapterus leucas) | This fun and amazing animal is endangered now. The name 'Beluga' comes from the Russian word "Belukha", meaning the  are white. Beluga whales include unusual in whales, because they have smaller teeth and other teethed whales. In spring they can be found in bays, estuaries and other shallow inlets. In winter they stay near or below the icepack icepack. They survive by finding ice leads and polynyas (patches of open water in the ice). Sometimes they move to the surface to breathe. Beluga whales can also find air pockets trapped under the ice. They live in cold arctic and sub-arctic waters.

 
Scientific classification
Kingdom:     Animalia
Phylum:     Chordata
Class:     Mammalia
Order:     Cetacea
Family:     Monodontidae
Genus:     Delphinapterus
Species:     D. leucas 


Male Beluga whale is bigger than females. Beluga whales have white skin color completely. The forehead is another characteristic feature of this whale. They have a fat knob in the middle of their foreheads. It is commonly known as "melon". These whales have the ability to change the shape of their head to change by blowing air into the sinuses. Beluga whales are about forty teeth. Their dorsal fin dorsal crest. It is the adjustment of their habitat. These whales have nearly finished bodies and curved tail fins. The flippers are almost square in shape. 

 
The function of the teeth are not for chewing, but for grabbing and tearing prey. Beluga whales will swallow. They feed a varied diet of fish, squid, crustaceans, octopi, and worms. Sometimes hunt fish together in small groups. Beluga whales are predators of Orca killer whales and polar bears. Beluga whales can talk and sing. They do it many times. Because she likes to sing songs, people call them "sea canary". We hear their voices above the water, even those under the waters. The voice is used to communicate. Beluga whales make a sound in the water. The sound travels to the bottom of the sea. Then reflected on their prey. This way is used to hunt their prey. They make noises like clicks, squeals and whistles to navigate in the deep waters of the ocean to communicate.

 
Beluga whale populations are overhunted to the point where they were swept away in some regions. Recovery is hindered by human activities such as river diversion or port construction and beluga fertility in some areas is low due to chemical pollution. Beluga whales have been hunted for centuries for a variety of products. More recently, it has been harvested by the commercial fishing industry. Beluga meat sold for human and domestic animal consumption, the bacon was used to make soaps, lubricants, and margarine to make the fat of the head was used to create a high quality lubricant. Bones were crushed and used as fertilizer, and the skin was tanned to make boots and laces.  

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1 komentar

Aleksei Molodtcov February 16, 2016 at 1:21 AM

Some jellyfish have tentacles as long as several times in belugas.The jellyfish usually eats what its long tentacles catch

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