POLAR BEARS

Presented By: Youstena Zaki and Diana Hanna

Order: Carnivora

Family: Ursidae

Genus: Ursus Maritimus

2007, Jenny E. Ross

Physical Characteristics Weight 550-1700 lbs for

adult males, and 200-700 Ibs for adult females.

Have small heads. Good sense of smell to

detect prey. Five-toed paws, helps

move around. White thick coat which. They have two layers of

hair.2008, beingmyself

Habitat and Distribution Arctic sea ice, water, islands. Alaska,

Canada, Russia, Greenland, Norway. Land masses around the edge of the polar

basin. Polar bears migrate seasonally, staying with

the movement of ice.

2008, fruchtzwerg's world

Adaptation Strong swimmers. Long bodies allows

with fat under their skin allows them to float in the water.

The thick layer of fur, keep them insulated.

2011, Maia C.

Longevity of polar bears

Live 20-30 yrs. No predators, but other old bears. Cubs can be killed by wolves. Newborn-Cannibalized by malnourished

parents. Some bears die of starvation.

2010, USFWSAlaska

Diet and Eating Habits Mainly ringed and bearded

seals. Harp seals, walrus, whales. If no food is available they

eat what they find. They need an average of 2

Kg of fat per day. “Still Hunting.” -They

remain still waiting for the seals to come to surface and as they come up the bears attack the head. This method takes about an hour.

2009, cyrusbulsara

2010, Maia C.

Hunting & Environment Threats Hunted for food,

clothing. Hunting is regulated by

the government in US, Canada, and Greenland.

Climate change-decrease in temperature.

Oil spills damages fur-no insulation.

PCB and DDT.

CitationInformation: Glick, Daniel. "On Thin Ice - National Wildlife Federation." Home - National Wildlife Federation. N.p., 1 Dec. 2006.

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  "POLAR BEARS - InfoBook Index." SeaWorld/Busch Gardens ANIMALS - HOME. N.p., n.d. Web. 1 Oct. 2011.

<http://www.seaworld.org/animal-info/info-books/polar-bear/index.htm>.   "Polar Bear - Ursus maritimus - facts and video - Defenders of Wildlife." Defenders of Wildlife - Protection of

endangered species, imperiled species, habitats. N.p., n.d. Web. 1 Oct. 2011. <http://www.defenders.org/wildlife_and_habitat/wildlife/polar_bear.php>.

  "Polar Bear Facts and Information - Polar Bears International." Polar Bears International - Polar Bear Research -

Polar Bear Education. N.p., n.d. Web. 1 Oct. 2011. <http://www.polarbearsinternational.org/polar-bears/bear-essentials-polar-style>.

  Revkin, Andrew , and Ian Andrew . "Climate Action Could Save Polar Bears - Science News." Science News. N.p., 15

May 2008. Web. 1 Nov. 2011. <http://www.nytimes.com/2008/05/15/us/15polar.html?pagewanted=all>.   Rosing, Norbert. "Polar Bears, Polar Bear Pictures, Polar Bear Facts - National Geographic." Animals - Animal

Pictures - Wild Animal Facts - Nat Geo Wild - National Geographic. N.p., n.d. Web. 1 Nov. 2011. <http://animals.nationalgeographic.com/animals/mammals/polar-bear/>.

  Stirling, Ian, and Dan Guravich. Polar Bears. Ann Arbor: University of Michigan Press, 1988. Print.   Witze, Alexandra. "Climate Action Could Save Polar Bears - Science News." Science News. N.p., 15 Jan. 2011. Web.

1 Nov. 2011. <http://www.sciencenews.org/view/generic/id/67647/title/Climate_action_could_save_polar_bears>.

Citation Pictures: Adam. “Map of Canada.” 2011. Digital Microsoft. Beingmyself. “Just Us Cute Little Polar Bears Freezing Our Little Buns Off!” 2008. Digital Microsoft. Beingmyself. “All On Board!” 2008. Digital Microsoft. Beingmyself. “Rolling In The Snow.” 2008. Digital Microsoft. Beingmyself. “Oopsy Daisy.” 2008. Digital Microsoft. Beingmyself. “Now That’s What I Call a Message!” 2008. Digital Microsoft. Blossom, Ruby. “Polar_Bear_Alaska.” 2011. Digital Microsoft. Cyrusbulsara. “Polar Bear vs. Pumpkin.” 2009. Digital Microsoft. De Jong, Martha. “Noordoost Groenland.” 2006. Digital Microsoft. Flynn, Ocean. “Aflicktion: The Wreck of Hope.” 2007. Digital Microsoft. Fool-On-The-Hill. “Wolf.” 2009. Digital Microsoft. Ilovegreenland. “Greenland Tourism_Ilulissat 121.” 2010. Digital Microsoft. Jenny E. Ross. "Polar Bear Mother and Cubs on Sea Ice." photograph. flickr. 14 dec 2007. web. 27 nov 2011. Light, Yukon. “Russian Flag 7143.” 2006. Digital Microsoft. Maria C. “WANT!” 2011. Digital Microsoft. Maria C. “Barle, Frustrated.” 2010. Digital Microsoft. Maria C. “Swimming Bear.” 2011. Digital Microsoft. NASA Goddard Photo and Video. “2008 Arctic Sea Ice Minimum- 1280*720.” 2008. Digital Microsoft. NWFblogs. “Oil Gas Development In Polar Bear Habitat.” 2009. Digital Microsoft. NWFblogs. “Sea-Ice Decline In Polar Bear Habitat.” 2009. Digital Microsoft. Russill, Nick. “Leopard Seal Closeup.” 2007. Digital Microsoft. Susanvg. "Polar bear 2." photograph. flickr. 27 july 2010. web. 27 nov 2011. Suzanne Miller."Polar Bear Female With Cubs Along the Beaufort Sea." photograph. flickr. 6 Mar 2007. web. 27 nov 2011. Tomasu. “Whale!” 2007. Digital Microsoft. Trasroid. “Polar Bear Cubs.” 2009. Digital Microsoft. USFWSAlaska. “Polar Bear Female with Cubs Along the Beaufort Sea.” 2010. Digital Microsoft. William, John. “Alaska State Flag.” 2008. Digital Microsoft. Werg,Fruchtz. “dsc_2976mod.” 2008. Digital Microsoft.

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