Polar Bear
Pranavi Challagonda Period 8 5/16/16
Habitat
Movement
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Body Covering
Polar bears look whitest when they are clean and in high angle sunlight, especially just after the molt period, which usually begins in spring and is complete by late summer. Before molting, accumulated oils in their fur from the seals they eat can make them look yellow.Skin. Polar bears have black skin under which there is a layer of fat that can measure up to 4.5 inches (11.5 centimeters) thick.On land (or on top of the sea ice) the polar bear's thick fur coat—not its fat—prevents nearly any heat loss. In fact, adult males can quickly overheat when they run.In the water, polar bears rely more on their fat layer to keep warm: wet fur is a poor insulator. This is why mother bears are so reluctant to swim with young cubs in the spring: the cubs just don't have enough fat.
Diet
are
strictly carnivores and feed or scavenge only meat. Their primary prey is the ringed seal though they also takebearded
harp and hooded seals and the occasional walrus youngster. They will also scavenge walrus and whale carcasses. That sometimes results in temporary aggregations of Polar bears at such sites. Other species, such as the Arctic fox, rely entirely upon " bear left-overs" after the bears have eaten their fill of seal skin and blubber, leaving the remaining meat for such scavengers(Going the Distance Scientists like AnthonyPagno
are working to help polar bears).Reproduction
Adaptations
Other Info
- Polar Bears have black skin under their coat
- Seals make up most of their diet
- Female bears use old snow to make her den
- Polar Bear cubs learn to freeze while their mother is hunting
- Polar Bears do not hibernate
- Polar Bears are so strong that it can kill anything below it with its paw
- Only humans kill Polar Bears
- Polar Bears tend to heat more than getting cold
- They have 42 teeth
Spend most of their life at sea
- Largest carnivore on land
- Their scientific name means Sea Bear
Works Cited
http://www.polarbearsinternational.org/about-polar-bears/essentials/fur-and-skin
http://www.kidsplayandcreate.com/did-you-know-polar-bear-facts-for-kids/
http://www.sciencekids.co.nz/sciencefacts/animals/polarbear.html