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Wednesday, 4 March 2015

Olivia's Report : Whales

Report:
Whales

Even though Whales look similar to fish they are mammals just like us humans. One of the reasons they are mammals is that they have to come up to surface to breathe, but they can stay under water for quite awhile. They also look after their children and feed them on milk.
Whales with teeth are called ‘‘ Toothed Whales‘‘ ( no surprise there), but Whales with bristly brushes instead of teeth called balleen plates are named Balleen Whales. Balleen Whales only eat tiny sea creatures. Balleen Whales have two blowholes where as Toothed Whales have only one 
The Blue Whales is the largest sea mammal and the biggest animal that has ever lived. An adult Blue Whale can weigh as much as 20 African Elephants!!
Male Humpback Whales sing songs to females. Each song lasts for about half an hour and may be sung over and over again.


FUN FACTS:
·       When we open our eyes in salt water the salt makes them sting. But Whales make special oily tears to protect their eyes.
·       The Sperm Whale has the biggest brain of any animal. Its brain weighs 7.8kg, about five times as much as a human brain
·       Blue whales are so enormous that they could not live on land as their lungs would be crushed under the weight of their body so they wouldn’t be able to breathe.
·       A baby whale is called a calf . the calf stays with its mother for two or three years.
·       Fin Whales have voices that are louder than jet planes.



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