Polar Bear

Yailena Dominguez Period 1 May 16, 2016

Big image

Habitat

Polar bears live mainly along the northern coasts of Alaska, Canada, Greenland, and Russia. They also live on islands in the Arctic Ocean (World Book Kids).They also live in the northern parts of the Arctic. They live in cold places.
Big image

Movement

Polar Bears when running on ice can reach to a speed of 25 mi (40 km) per hour and when swimming it can reach up to 161 Kilometers (100 miles) in open water (SIRS Discoverer). Their paws have fur on the bottoms to help them grip on the ice and to also swim.
Big image

Body Covering

Polar Bears Have thick white fur and they also have black skin under the fur and that black skin is used to absorb the sunlight so that Polar Bears stay warm.under their skin is a layer of fat that keeps them warm in the cold water. Their fur also helps with camouflage into the snow for hunting.(Gale research)
Big image

Diet

All polar bears are carnivores and like to eat ringed seals and bearded seals. They catch their food with their sharp teeth and curved claws it helps them reach their prey.They also feed on walruses, belugas, narwhals, waterfowl and seabirds.(Arkive)

Reproduction

Female polar bears start reproducing when they are between 4 and 5 years old they develop inside a female. They reproduce sexually. They usually have twins and they usually weigh 2 pounds and not much bigger than a rat. They also are born blind and hairless. They stay with their mom for two to three years(Mc Garth)
Big image

Adaptations

Right now they can only live in one type of habitat, on the sea /ice. They adapt to the cold easily because of their fur. Their fur covers all of their body.They also keep their nose and ears small and covered with fur to protect them from the cold. There teeth are very sharp so they can hunt very well.(World Book)
Big image

Other Information

  • Polar bears weigh 700 to 1,600 lbs
  • They can live to 25-30 years
  • Ursus maritimus is their scientific name
  • Their scientific name means sea bear.
  • Polar bears are considered to be marine mammals. Their scientific name means sea bear.
  • Male name= Boar
  • Female name=Sow
  • Name of young=Cub
  • Polar bears depend on Arctic sea ice. If global warming melts this ice, polar bears will probably become extinct.
  • Height= 6-10 feet
Big image

Works Cited

Arkive, ed. "Polar Bear." arkive.org. arkive, Sept. 2007. Web. 13 May 2016.
<http://www.arkive.org/polar-bear/ursus-maritimus/>.


Gale Research. "Polar Bear." Gale Research in Context. New York: n.p., 2012. N.
pag. Gale Research In Context. Web. 11 May 2016.
<http://go.galegroup.com/ps/
retrieve.do?sort=RELEVANCE&docType=Brief+article&tabID=T001&prodId=MSIC&searchId=
R2&resultListType=RESULT_LIST&searchType=BasicSearchForm&contentSegment=¤tP
osition=1&searchResultsType=SingleTab&inPS=true&userGroupName=auro18260&docId=GAL
E%7CA69219811&contentSet=GALE%7CA69219811>.


Guide Star, ed. "Polar Bear." gratbear.org. Guide Star, n.d. Web. 15 May 2016.
<http://greatbear.org/bear-species/>.


Mc Garth, Susan. "Polar Bear." National Geographic. Braided River, July 2011.
Web. 12 May 2016. <http://ngm.nationalgeographic.com/2011/07/polar-bears/
mcgrath-text>.


SIRS Discoverers. "Polar Bear." SIRS Discoverer. Ed. ProQuest. N.p.: n.p., 2015.
N. pag. SIRS Discoverer. Web. 12 May 2016.
<http://discoverer.prod.sirs.com/discoweb/disco/do/
article?urn=urn%3Asirs%3AUS%3BARTICLE%3BART%3B0000361094#citation>.


World book. "Polar Bear." World Book Kids. Chicago: World Book, n.d. N. pag.
World Book Kids. Web. 11 May 2016. <http://www.worldbookonline.com/
kids/home#animalsworld/wmammals>.