Beyar Polar

Beyar Polar
Conservation status
VU (mul)  (IUCN 3.1)
Scientific classification
Class	Mammalia (mul)
Order	Carnivora (mul)
Dangi	Ursidae
Genus	Ursus (mul)
jinsi	Ursus maritimus Phipps, 1774
Geographic distribution
General information
Pregnancy	8.5 wata
Launi	Fari
Babban tsaton samun abinci	Pusa hispida (mul) , Halichoerus grypus (mul) , Pagophilus groenlandicus (mul) , Delphinapterus leucas (mul) , Odobenus rosmarus (mul) , carrion (en) , Monodon monoceros (mul) , Phoca largha (mul) , Phoca vitulina (mul) , Lemmus (mul) , cetacean stranding (en) , Crustacea (mul) , Sardina pilchardus (mul) , Algae (mul) , egg (en) , Uria lomvia (mul) , Rangifer tarandus (mul) , food waste (en) da gull (en)
Kimancin rayuwa	50 shekara
Nauyi	450 kg da 600 g

bear polar (Ursus maritimus) babban beyar ne na asalin Arctic da yankunan da ke kusa. Yana da alaƙa da beyar launin ruwan kasa, kuma jinsunan biyu na iya haɗuwa. Bear polar ita ce mafi girman nau'in beyar da ke cin nama ta ƙasa ta hanyar jiki, tare da manya maza masu nauyin 300-800 . Nau'in yana da jima'i dimorphic, kamar yadda manya mata sun fi karami. Bear polar yana da fari ko rawaya-fur tare da fata baƙar fata da kuma kitse mai kauri. Ya fi tsayi fiye da beyar launin ruwan kasa, tare da kunkuntar kwanyar, wuyan wuyan wuyansa da ƙananan kafada. Hanyoyinta sun fi kaifi kuma sun fi dacewa da yankan nama. Hannunsu suna da girma kuma suna ba da damar bear ya yi tafiya a kan kankara kuma ya yi tafiya cikin ruwa.

Polar bears suna cikin ƙasa da pagophilic (mai rai da kankara) kuma ana ɗaukar su Dabbobi masu shayarwa na ruwa saboda dogaro da yanayin halittu na ruwa. Sun fi son kankara na shekara-shekara amma suna rayuwa a ƙasa lokacin da kankara ta narke a lokacin rani. Yawanci suna cin nama kuma sun ƙware don cin nama a kan hatimi, musamman hatimi. Irin wannan ganima yawanci ana kama shi ta hanyar kwanton bauna; beyar na iya bin ganimar ta a kan kankara ko a cikin ruwa, amma kuma za ta kasance a cikin rami na numfashi ko gefen kankara don jiran ganima ta yi iyo. Beyar da farko tana cin abinci a kan mai mai cike da makamashi na hatimi. Sauran ganima sun hada da walrus, beluga whales da wasu dabbobi na duniya. Polar bears yawanci suna kadai amma ana iya samun su a cikin rukuni lokacin da suke ƙasa. A lokacin haifuwa, namiji yana da mata masu tsaro kuma yana kare su daga abokan hamayya. Uwaye suna haihuwar jarirai a cikin haihuwa a lokacin hunturu. Matasa suna zama tare da mahaifiyarsu har zuwa shekaru biyu da rabi.

Kungiyar Tarayyar Kasa da Kasa don Kula da Yanayi (IUCN) tana ɗaukar beyar polar a matsayin nau'in da ke da rauni tare da ƙididdigar yawan mutane 22,000 zuwa 31,000. Babban barazanar sa shine Canjin yanayi, gurɓataccen yanayi da Ci gaban makamashi. Canjin yanayi ya haifar da raguwar kankara na teku, yana ba da ƙarancin damar zuwa ga ganimar da ya fi so kuma yana ƙara haɗarin Rashin abinci mai gina jiki, yunwa, da ƙarshe mutuwa. Ƙananan kankara na teku kuma yana nufin cewa bears dole ne su ciyar da karin lokaci a ƙasa, suna ƙara rikice-rikice tare da mutane. An farautar bears na polar, ta hanyar 'Yan asalin ƙasar da wadanda ba' yan asalin ƙasar ba, don rigunansu, nama da sauran abubuwa. An tsare su a cikin gidajen namun daji da wasan motsa jiki kuma suna da yawa a cikin fasaha, al'adun gargajiya, addini da Al'adun zamani.

Sunayen

Thomas Pennant ne ya ba da sunan polar bear a cikin A Synopsis of Quadrupeds (1771). An san shi da "farin bear" a Turai tsakanin ƙarni na 13 da 18, da kuma "ice bear", "sea bear" da "Greenland bear". Norse ya kira shi isbjørn 'beyar kankara' da hvitebjørn ''. Inuit suna kiran beyar nanook. Al'adun Netsilik kuma suna da sunaye daban-daban ga bears bisa ga wasu dalilai, kamar jima'i da shekaru: waɗannan sun haɗa da manya maza (anguraq), mata masu girma (tattaq), mata masu juna biyu (arnaluk), jarirai (hagliaqtug), manyan matasa (namiaq) da bears masu barci (apitiliit). Sunan kimiyya Latin-language text" typeof="mw:Transclusion">Ursus maritimus shine Latin don 'beyar teku'.