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Polar Bears

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Nick Boulos

on 1 May 2014

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Transcript of Polar Bears

Polar Bears
Nick Boulos
General Information on Polar Bears
Polar Bear Biology
Polar Bears have a large layer of body fat and a water repelling coat which serves to insulate them from the cold air and the water
(WWF)
Adult males weigh from 775 lbs to 1200 lbs
(Polar Bears International)
Adult females weigh 330 lbs to 650 lbs
(Polar Bears International)
Most Polar Bears are all white, except for the nose, lips, and feet, which are all black
(Polar Bears International)


History of Polar Bears
It is believed that the Polar Bear started to evolve 5 Million years ago
(Penn State)
Polar Bear Behavior
Polar Bears are independent creatures
(Kinze)
Migrate long distances
(Kinze)
Polar Bears, on average, swim 40 Km a day
(Kinze)
Where do Polar Bears live?
Polar Bears and Climate Change
Importance of Polar Bears
Latin name:
Ursus Maritimus

Meaning "sea bear" (WWF)
Polar Bears are excellent swimmers (WWF)
Spend 50% of their life hunting for food (WWF)
Polar Bears have gone by many names in the past (Polar Bears International)
Polar Bears can live up to 20-30 years, but most live until around 20 years old (Polar Bears International)
A Polar Bear in comparison to a Brown Bear (Craighead)
Reproduction of Polar Bears
Polar Bears usually have
two cubs (WWF)
Mating season is from mid
March until mid May (WWF)
Polar Bear cubs are
usually blind and naked
when born (WWF)
8 of the 18 subgroups of Polar Bears are declining (WWF)

Sea Ice loss in the summer of 2012 broke all preexisting records (WWF)

The Arctic is experiencing the warmest air temperature in centuries (WWF)
Scientists predict and ice free summer by 2040
(WWF)
Polar Bears are at the top of the food chain (WWF)
Also important for Arctic People in the past (WWF)

How Do They Eat?
A Polar Bears
diet often includes:
Seals, Belugas, Fish,
Narwhals and sometimes grass and berries (Kinze)
Here is a video showing how Polar Bears hunt their prey
http://www.endangeredpolarbear.com/habitat.html
http://www.polarbearsinternational.org/about-polar-bears/essentials/home-range-and-cold-climate
http://science.psu.edu/news-and-events/2012-news/SchusterMiller7-2012
http://www.endangeredpolarbear.com/history-of-polar-bears.html
http://www.marinebio.net/marinescience/04benthon/arcplrbr.htm
http://www.ask.com/question/polar-bears-special-features
http://seaworld.org/en/animal-info/animal-infobooks/polar-bears/adaptations/
http://seaworld.org/en/animal-info/animal-infobooks/polar-bears/behavior/
http://worldwildlife.org/species/polar-bear
http://worldwildlife.org/stories/uncertain-future-for-polar-bears
http://alaska.usgs.gov/science/biology/polar_bears/forecasting.html
http://www.polarbearsinternational.org/sites/default/files/styles/homepage_slide/public/00473-06209_1.jpg?itok=RXOhx9Nd
http://2.bp.blogspot.com/-YO0sAevEaD4/UFiXPsZhZqI/AAAAAAAAAIQ/Tlkv0wUFGJI/s400/USA_printables_flag.jpg
http://www.enchantedlearning.com/school/Canada/flagbig.GIF
http://upload.wikimedia.org/wikipedia/en/archive/f/f3/20120812153730!Flag_of_Russia.svg
http://www.mapsofworld.com/images/world-countries-flags/greenland-flag.gif
http://0.tqn.com/d/goscandinavia/1/0/F/-/-/-/norway-flag.gif
http://a-z-animals.com/images/blog/pol1.jpg
http://upload.wikimedia.org/wikipedia/commons/3/3f/Brown-bear-in-spring.jpg
http://ww1.prweb.com/prfiles/2007/05/10/525658/pbcloseup.JPG
http://2.bp.blogspot.com/-Mg9mK3T-wG8/TuAB7Hmg-RI/AAAAAAAABdA/xyLgfLejh9k/s1600/polar+bear+on+the+hunt.jpg
http://www.jordangrigor.com/wp-content/uploads/2014/03/polar-bear-2.jpg
http://www.atozkidsstuff.com/images/polarbear/polarbearcouple.jpg
http://greenpeaceblogs.org/wp-content/uploads/2012/07/savemepolarbear399x399.jpg
http://globalwarmingsiren.com/wp-content/gallery/polar-ice-caps/polaricecapsmelting.jpg
http://i.dailymail.co.uk/i/pix/2012/09/20/article-0-15170A4D000005DC-822_968x609.jpg
http://i.dailymail.co.uk/i/pix/2012/09/20/article-0-151708C0000005DC-943_968x642.jpg
Youtube
Bibliography
Full transcript