Friday, February 1, 2013

Beluga Whale The Smiling Animal

Beluga whale classification
The scientific name for Beluga whale Delphinapterus leucas is. This is a marine mammal belonging to the genus Delphinapterus Monodontidae family. Immediate family species are Narwhals (monodon Monoceros). Previously, dolphine Irrawaddy (Orcaella brevirostris) is also considered as part of the family Monodontidae, but new genetic studies indicate that this is not true assumption.The Beluga whale was first described in 1776 by Peter Simon Pallas, a German zoologist who worked in Russia.

Beluga whales should not be confused with the species named Beluga (Huso Huso). Is Beluga sturgeon famous fish roe valuable, much sought-after Beluga caviar. They live in the Caspian Sea and Black Sea, and is sometimes also found in the Adriatic Sea.

Beluga whale habitat and coverage
Beluga whales are only found in the northern hemisphere and they usually live in the Arctic Ocean and some of the sea in the Arctic and subarctic environments. But there are small Beluga whale population in the Gulf of St. Lawrence, Canada. Beluga whales spend the summer in shallow coastal waters. During the winter, they are usually found near the ice edge.

Beluga whale behavior
Women's Beluga whales and their calves will often form groups consisting of 2-15 animals. Male Beluga whales can form a much larger group, sometimes consisting of more than 500 people. Beluga whale group really big which consists of thousands of animals have also been seen.

Beluga Whale spirited and funny. They tend to be very cheerful when they have reached their summer habitat in shallow waters, and usually will be involved in the flipper-slapping and lobtailing. Beluga whales also playful enough noise.

Beluga whale reproduction
Beluga whale females will produce no more often than every 2-3 years, and usually only produce one young per birth. This makes the Beluga whales vulnerable to over-hunting. After a gestation period of around 15 months, young Beluga whales already weighs around 70 kilograms of birth in the spring. This will not be weaned until it has reached the age of 1.5 to 2 years. The estimated longevity Beluga whales are around 35-40 years old.

A Beluga whale newborn dark brown, dark gray or black. As descendants grow older, the staining will change. Between the ages of one and two years, the staining will reach a point where turning blue whale. Old white Beluga whales. Before the summer molt, Beluga whales can be seen quite yellow.

The Beluga whale females will usually become sexually mature at the age of five years, while males do not become sexually mature until they are at least eight years old. We still know little about the actual process of mating. Marriage is known to take place during the winter or early spring. Beluga whales can marry in their winter habitat or during spring migration. But there are a lot of reports about the mating lasted for another season, so that he may be capable of Beluga whales delayed implantation.

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