2007, Jenny E. Ross Presented By: Youstena Zaki and Diana HannaOrder: CarnivoraFamily: UrsidaeGenus: Ursus Maritimus
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, Norw ay. Land masses around the edge of the polar basin. Polar bears migrate seasonally, staying with the movement of ice. 2008, fruchtzwergs 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 2010, USFWSAlaska 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.
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 2010, Maia C. 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
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. Web. 1 Nov. 2011. <http://www.nwf.org/News-and-Magazines/National-Wildlife/Animals/Archives/2007/On-Thin-Ice.aspx>. "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>.
CitationPictures: 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.