blue whales
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Blue Whale
By:Shuvankar SahaBatch Code:14/02
Advance (Morning Batch)
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The Blue Whale has been the largest animal that ever lived on Earth.
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Cetacea
Family: Balaenopteridae
Genus: Balaenoptera
Species: B. musculus
Description and Classification
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Dimensions and characteristics
Shape- Fishlike with flukes.Length- 100 feet long.Height- About 20 feet tall.Weight- About 200 tons.Color and markings- Molted blue grey with yellow underbellies.
Temper- blue whales are usually calm unless threatened or scared.Habits and behavior- they travel long distances for food and breeding.Defense- speed and whacking with tail.Acquiring food- migrate with krill.Life span- 80to90 years.Other- average heart rate is 8 beats per minute.
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Habitat and DietThey live in all of the world’s oceans, following the krill.
There diet mainly consists of krill.They eat up to 4 to 8 tons daily.
They lives in the cold temperate waters. They migrate into the Northern hemisphere in the Spring and Summer. In Fall and Winter they migrate back to temperate waters.
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Family Life
Offspring-Number born one, gestation-one year, when- winter in warm waters, Care-they drink up to 379 liters daily, swim beside mother. Babies can grow up 1.5 inches and gain 200 pounds a day. Shelter- in water, other-young are up to 25feet long.
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HistoryThey were hunted for their blubber and oil before 1966. they were on the brink of extinction until they made laws against hunting whales.
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Conclusion
As you can see that the blue whale is a very worthy species to help save. I hope you will make the right decision.
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