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Polar Bear
1
-reproduces sexually
-In the fall pregnant polar bears dig snow dens to give birth. They live in these dens for 4 to 8 months. The mother lives off of her fat reserve.
-Usually give birth to twins
- Polar bear cubs have soft fine fur
-Drink the mom's milk for 3-4 months
Polar Bear
Ursus Maritimus
By: Camille Ysbrand
Why it is Endangered
Characteristics
-Largest land carnivore
-Thick white fur
-Short furry snout
-Lifespan 25-30 years
-Males 775-1,200 IBS
-Females 330-650 IBS
-Lives on its own
-Warm blooded
-Less sea ice is freezing due to climate change
-Polar bears need the ice to hunt
-20,000-25,000 left
-2/3 of polar bear population gone by 2050
-WWF is helping polar bears not come in close contact with humans
Sources
Habitat
-Arctic
-Northern Canada
-Great swimmers
-Have been found swimming 100 miles from land
http://www.vitalground.org/where-the-great-bears-walk-the-earth-is-healthy-and-whole/?gclid=CPDL196O-bwCFTBgMgod0WgA5g
http://www.polarbearsinternational.org/for-students/polar-bears-for-kids?gclid=CLXy542Q-bwCFYFhMgodNwwATg
http://wiki.answers.com/Q/Are_Polar_Bears_warm_blooded_or_cold_blooded#slide=3&article=Are_Polar_Bears_warm_blooded_or_cold_blooded
http://animals.nationalgeographic.com/animals/mammals/polar-bear/
http://www.endangeredpolarbear.com/habitat.html
http://worldwildlife.org/species/polar-bear
Food Chain Interactions
-Carnivore
-Can smell prey from a kilometer away
-Float on ice to catch prey
-Main prey is seals