News kuma Society, Yanayi
Iyakacin duniya bear - da kane na ruwan kasa bear
Saboda photogenic bayyanar iyakacin duniya bear da ke sa mutanen da suka san shi kawai ta hanyar talabijin ya nuna game da dabbobi ko da m zane mai ban dariya "Umka" tausaya. Duk da haka, wannan predator ba m da matakin na ferocity ke "kai ga shugaban" tare da 'yan'uwanmu North American Grizzly.
The nauyi na wani iyakacin duniya bear (namiji) kai da ɗari bakwai da hamsin kilo ko fiye. A cewar wasu rahotanni, da akwai wani ton na nauyi bears. Yana da duniya ta most ƙasar predator. The mace ne karami fiye da rabi zuwa biyu sau. dabba girma ne kusan uku da rabi mita. Saboda da m sauyin yanayi da kuma babbar nauyi wannan sarki Arctic hamada zuwa kullum da wani abu. Akwai lokuta a lõkacin da wata yunwa ta fara addabar bear ci a daya zaune cin abinci har zuwa 10 bisa dari na da kansa nauyi, kuma a rikodin lokaci - kawai a kan rabin awa!
Iyakacin duniya Bear fi son ciyar a kan like, shi ne ya fi so abinci. Amma a cikin rashi na add iya da kyau a kunshe a rage cin abinci zomaye, reindeer, lemmings, crabs kuma ko da wani mutum, idan ya zama haka m, cewa zai zama kamawa da hauka yunwa na dabba.
Amma tare da mutumin da iyakacin duniya bear fi son ba don sadarwa da kuma kai hare-hare ne kawai idan aka barazana tare da yunwa. Gogaggen explorers jayayya da cewa yin kawar da dafuwa pretensions kai sauƙi. Don yin wannan, ku kawai ba hali kamar abinci. Wannan shi ne ba a gudanar a kife da bayyanar da fari giant. Known newsreel fim, wanda mai puny iyakacin duniya waving ware daga akwaku tara, ya tsere da snow giant, mafificin ta size da fiye da rabin.
Iyakacin duniya bear mallaka mamaki hankali. Ga misali, da hatimin da ya iya zuwa "sniff fita" kamar yadda talatin da biyu kilomita. A bear ne a kan saman da abinci sarkar. Wannan yana nufin cewa halitta makiya da kusan babu wani. Kuma abokan gaba ne "m" (watau, mutane) ne a yanzu ya fi damuwa da adana beyar, yawan, kawai lokaci-lokaci kamawa mutum dabbobi don zoos.
Yanzu akwai, bisa ga daban-daban kimomi, tsakanin ashirin da dubu arba'in mutane. Mafi yawa daga belomedvezhego yawan rayuwa a cikin ƙasa na Arewa Kanada da kuma Greece. A cikin daji iyakacin duniya bears rayu har zuwa shekara ashirin da biyu.
Mazauninsu kagaggun bears - a kusa da manyan polynyas, inda zai yiwu farauta na marine dabbobi da kifi. Amma mu sani cewa za su iya yin dogon tafiye-tafiye a kan rugujewa kankara. A watan Oktoba, bears shirya su dajin inda za su hibernate kuma shayar da mama su matasa. Sha'awa, iyakacin duniya beyar, kazalika da launin ruwan kasa uwan, kwanta barci. Shi ne ba ko da yaushe, kuma ba duk. wajibi
Har zuwa 2012, an yi imani da cewa iyakacin duniya bear matsayin jinsin aka kasaftawa game da mutum ɗari da dubu hamsin da suka wuce. Domin wannan version of ce kwayoyin nazarin gudanar da wani rukuni na masana kimiyya a shekarar da ta shige. Amma ƙarin bincike ya ci gaba to saka da shekaru na jinsi. Sai ya juya daga cewa na farko da fari bear rabu da su ruwan kasa kakanninmu sun kasance game da shida shekara dubu da suka wuce. Saboda haka, na iyakacin duniya bear gudanar quite da kyau zuwa ga tsira da dama kankara shekaru daban-daban.
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