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Polar Bears
Known scientifically as Ursus Maritimus, the polar bear is native to the Arctic Circle, and is the world's largest carnivore species found on land. It is classified as a vulnerable species, with 5 of the`9 polar bear subpopulations in decline. They have a reputation as the only animal that actively hunts humans, but in fact, anything they encounter is potential prey.
1,835 Questions
How does a polar bears escape from predators?
Polar bears have only one enemy MAN, they can only escape by diving into the sea.
What do polar bears eat for lunch?
There are no polar bears in the wild in Argentina. There may be some in zoos, where they'll eat whatever meat they are fed by their keepers.
What is the lifespan of polar bears?
These bears are though to live no more than 15 to eighteen years, but new tagging devises have allowed biologists to find a few bears that are in their early 30's. This has lead to some dispute about what age they will live to in the wild. In captivity the generally live a lot longer and reach mid to late 30's. One polar bear in a London zoo lived to the ripe old age of 41 years old!
How much do baby polar bears weigh?
Each polar bear litter has 2 cubs and sometimes even 3 cubs. Cubs weigh around 1 kilogram (2 pounds) at birth. They are totally helpless/defenseless at birth and depend entirely on their mother for food and protection. Cubs stay with the mother for around 2 to 3 years of their life and then go away.
Are polar bears getting harmed?
The polar bear is still listed as a "Threatened" species on the Endangered Species Lists. The IUCN Red List Endangered Species List has the population trend listed in the 2011 List as "decreasing". They are losing habitat, being poisoned by mercury and other pollutants in their food sources (since they are at the top of the food chain in the region). The Arctic is warming and ice is melting which also threatens their free range to which they are so adapted, they could not survive abrupt changes to warmer climates. They are no longer being hunted for sport from planes and icebreakers due to an international treaty, but their habitat is shrinking and hunting "grounds" are melting.
How do Musk OX adapt themselves to polar region?
They have big long guard hairs that protect them from the cold and under those they have a wool like hair called qiviut which is very warm and protects them from the cold. They have uniquely shaped hooves so that there are able to dig through the snow to get the forages (grasses) below. They get their food from the grasses below the snow and their water intake from the snow! Quite clever and environmentally adapt animal probably explains why they have been around for 1 million years!
Polar bears have thick fur so they can live in the cold of the arctic and swim in the icy sea. They also have a thick layer of insulating fat beneath their skin.
What are three ways a polar bear is adapted to hunt its prey?
- They have built in camouflage since they live in mostly in snow covered areas and they are white.
- Their natural fishing abilities
- They also take advantage of seal sleep and wake cycles
Who is stronger polar bears or brown bears?
Because they naturally occupy very distant ranges, they will never meet. However, the polar bear is leaner and often swims many miles during the spring melt.
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Why are polar bears vulnerable?
They are not at risk. Some groups would like you to believe they are endangered to collect money from people. The reality though is that these bears are thriving and are now over 25,000 in numbers.
Some people believe that the polar bear COULD someday become endangered if global warming were to become worse, or be real.
Yes. Polar bears swim using their large front paws to propel themselves through the water and their back legs to steer.
http://www.endangeredpolarbear.com/fun_facts_about_polar_bears.htm
How does a polar bear become pregnant?
Female bears can have cubs when they are four or five years old. Males are sexually mature by six years, but typically don't mate till they are 8 or 10.
Males fight between themselves and the strongest then mates with the female. They stay together about a week. Males may mate with several females during the mating season (April and May) and with different females each year.
Eight months later a cub is born.
The polar bear has no enemies or predators to hide from.
Does the polar bear live in the Arctic or Antarctic region?
Polar bears live only in the northern polar regions - which includes the Arctic and Arctic Circle regions. They do not live in the Antarctic.
What weapons do polar bears have?
Polar bears are big and mean. They have big claws and powerful jaws with a set of sharp teeth. They also have a good sense of smell.
How many polar bears are alive in Antarctica?
None. Polar bears live only at the North Pole, in the Arctic.
none, they cant live in antarctica because of the climate and the actual land
There never were any polar bears in Antarctica; it's too cold for any animal to live there.
none polar bears are found in the arctic
No, in the Arctic. you find pinguins in antarctis.
How many miles can a polar bear swim without stopping?
A 6-year-long study recently found that polar bears can swim for great distances. GPS collars were attached to 20 female bears, some with cubs. The swims documented lasted from 17 hours to nearly 10 days and covered between 33 and 427 miles (54 and 687 kilometers) in the southern Beaufort Sea above Canada and Alaska.
There are no earlier studies on polar bear swims, but there has not been enough open water in recent years for bears to swim such distances.
Polar bears rely on sea-ice in the Arctic to hunt their prey, seals, but this ice is melting earlier every year. Scientists fear that cubs especially will not survive long swims. Twelve of the 20 bears had cubs when the collars were fitted, but when 10 of the 12 were recaptured a year later, only 6 still had cubs.
U.S. Geological Survey (link below).
Where can you find graphs on endangered animals?
An endangered animal chart, including the whole world and all species, marine and land animals, isn't something that I've seen in my research. There are lists, reports, and maps. Many are sorted by the country and others by the species or the endangered status, but a chart with all of the entire world's animals. I'll keep looking for one, so far I haven't seen one. These might help you, the International Union of Conservation for Nature, (IUCN Red List), the US Fish and Wildlife Services Endangered Species List, (US FWS Endangered Species List), and the Convention of International Trade in Endangered Species, (CITES). All of these programs list species that are endangered and between them they cover the world of endangered species. For more details, please see the site listed below.
