whales eng
Post on 18-Dec-2014
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ANIMALS IN THE WATER
Mirnijs Aleksandrs 6.d
Riga Ostvald secondary school
Whales
Content.1.Species of whales.
2.Gray whale.
3.Blue whale.
4.Humpback whale.
5.Baleen whale.
6. Polar whale.
7.Interesting facts.
Species of whales.
Gray whale.Blue whale. Humpback whale. Baleen whale.Polar whale .How many of these species of whales!
Gray whale.
It is one of the oldest mammals - age form has about 30 million years. Length of female does not exceed 15
meters, and male - 14.6 meters. He’s weight s about 20-35 tons. On the back instead of the fin slightly
noticeable hump.
Blue whale.
• One of the biggest animals who even lived on the Earth.Female is always bigger than male. It is 30 meters long and it weights 100 tons. It isn’t blue,but it is blue-gray with silver-gray irregular spots. It eats planktons, absorbing for each "meal" up to one ton of feed.
Humpback whale.
Big animal with dense shortened body, back and sides are blackish,
and the color is black or white. The maximum length of about 15 meters. Whale, who’s length is 14 meters can
weigh more than 40 tons.
Baleen whale.
Got its name because of the long horny plates
called whalebone, are in their mouths instead of
teeth.
Polar whaleReaches a size of 21 meters and a weight of up to 150
tons. His head takes up a third of the body and is separated from the body by easily visible neck.
General color of adults-dark, sometimes with a white throat, in immature - grayish dark. The skin on the
body smooth, horny outgrowths and cones, shells of barnacles not cluttered
Intresting facts.
1. Did you know that whales tan? Yes,whales like tan.
2. Whales eye weights about 5 pounds.
3.The hearth of the blue whale weights as much as car (1.5 tons)
4. Whale is the only non-human mammal that ... sings
5. Whale tails are as individual as humans fingerprints.
February 19 - World Day for the protection of marine mammals (whales Day)
Extermination of whales, which lasted more than a century, adversely
affected their population - many whales were on the verge of
extinction. Many whales recorded in the lists of the International Red Book. Reducing the number of
whales leads to disruption of the biological balance in marine
ecosystems.
Every year, environmental organizations and the public in different countries together for
environmental actions to protect marine mammals. Spotlight on 19 February - whales and other marine
animals.
Thank you for watching!
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