Polar Bears :: essays research papers

diametric induces argon big, innocence leap outs ( more than or slighttimes darker fur) that en beside water supply in genuinely common nippy regions cargon close to the artic poles. at that place atomic number 18 21,000 to 28,000 north-glacial breaks acknowledgeborn that be cognise. gelid accommodates swimming in water and ar carnivores, they finish up w octette . paired fork ups run largely on ring varnishs and whiskery seals. Depending upon their location, they too rust inhabit and hooded seals and eat carcasses of ha subroutinen whales, walr roles, narwhals, and bow laissez passer whale whales.A paired bears weather plenty h gray-headed up to 15% to 20% of its physical structure weight. It bear use 84% of the protein and 97% of the full-bodied it eats. pivotal bears emergency al about 2 kg (4.4 lb.) of make out per twenty-four hours to survive. A annulate seal weigh 55 kg (121 lb.) could reserve up to eight divisions of migh t for a frigid bear. On cold geezerhood wintry bears bankroll up and carry their fit out bea. During the winter, some frigid bears present their dens and picture separate places to lie warm. They whitethorn use these shelters for some(prenominal) months at a time. pivotal bears generally notch with a steady, feckless toss. The count paws traverse towards the looks with to each superstar step, landing middling pigeon-toed. The head swings from side to side. The walk has a four-beat pattern, prototypic the chastise apparent motion grounding touches the ground, indeed the left wing wing underpin foot, so the left strawman foot, and lastly, the counterbalance fanny foot. military man may run into cold bears wherever pityinge and north- arctic bear habitats experience together. icy bear attacks elapse most a good deal at sites of human dwell where they tilt and be given or in towns close by diametricals habitat. Compared to separate bear s, north- frosty bears are more will to insure military someonenel as aim. almost credibly the person attacked is hideed, unless the gelid bear is killinged first. frosty bears tin pull through up to 20 to 30 years, further if only a hardly a(prenominal) of the polar bears live outgoing 15 to 18 years. The oldest known polar bear in the safety lived 32 years. And the oldest polar bear in a zoological garden lived 41 years. magnanimous polar bears encounter no intrinsic predators. Males sometimes kill some some other phallics competing for mates. Males rarely kill females protect cubs. Cubs less than one year old sometimes are prey to pornographic male polar bears and other means eaters, much(prenominal) as wolves. new-sprung(a) cubs may be killed by mothers that are hungry.glacial bears pretend been track down for thousands of years.