Gwanin polar, ko kuma kamar yadda ake kira shi arewacin (polar) beyar ta arewa (sunan Latin - oshkui), ɗayan ɗayan dabbobin da ke mamaye duniya. iyakacin duniya bear - dangi kai tsaye na launin ruwan kasa, kodayake ya bambanta da shi ta fuskoki da yawa cikin nauyi da launin fata.
Don haka dabbar dabbar na iya kaiwa tsawon mita 3 kuma ya kai kilogram 1000, yayin da bear mai ruwan kasa da kyar ya kai mita 2.5, kuma nauyinsa ya wuce kilogram 450. Ka yi tunanin cewa ɗayan irin wannan na polar bear na iya auna kimanin goma zuwa goma sha biyu.
Ta yaya beyar beyar ke rayuwa
Belar Bears, ko kuma kamar yadda ake kiransu "beyar teku", galibi farautar ƙugiyoyi. Mafi yawanci suna son yin biki akan hatimin garaya, hatimin ringi da hatimin gemu. Suna fita don farautar yankunan bakin teku na babban yankin da tsibirai don 'ya'yan dabbobin hatimi da walruses. Farin bera baya kyamar girman kai, duk wani hayaki daga teku, tsuntsaye da diyansu, suna lalata gidajen su. Da wuya ƙwanƙiri, polar bear take kama rodents don abincin dare, kuma tana ciyar da 'ya'yan itace, gansakuka da laushi a cikin yanayin idan babu abin da za a ci.
Yayinda take dauke da juna biyu, wata belar mata ta kwanta gaba daya a wani kogo, wanda ta shirya wa kanta a tudu, daga Oktoba zuwa Afrilu. Bears ba safai yake da 'ya'ya 3 ba, mafi yawanci beyar tana haihuwar' ya'ya ɗaya ko biyu kuma tana kula dasu har sai yaran sun cika shekaru 2. Polar bear yana rayuwa har zuwa shekaru 30... Da wuya sosai, wannan dabba mai shayarwa zata iya tsallake layin shekaru talatin.
Inda yake zaune
Ana iya samun beyar a koyaushe a kan Novaya Zemlya da kuma a cikin ƙasar Franz Josef. Koyaya, akwai ɗimbin yawan waɗannan mafarautan a cikin Chukotka har ma da Kamchatka. Akwai beyar da yawa a gabar tekun Greenland, gami da ƙarshen kudu. Hakanan, waɗannan mahautan daga dangin beyar suna zaune a cikin Tekun Barents. A lokacin lalatawa da narkewar kankara, bears suna motsawa zuwa gabar tekun Arctic, zuwa iyakar arewa.
Me yasa polar bears tayi fari?
Kamar yadda kuka sani, beyar tana da launuka iri-iri iri-iri. Akwai bears baki, fari da launin ruwan kasa. Koyaya, kawai polar bear ne zai iya rayuwa a yanayin permafrost - a cikin sassan mafi sanyi na duniya. Sabili da haka, beyar bera sun sauka a hayin Arctic Circle a Arewacin Pole, a Siberia, Kanada, amma kawai a sassan arewacinsa, akwai da yawa daga cikinsu a Antarctic. Gwanin polar ya cika dacewa don rayuwa a cikin irin wannan yanayi kuma baya daskarewa kwata-kwata. Kuma duk godiya ga kasancewar ɗumi mai ɗumi da danshi mai kauri gashi, wanda, koda a yanayin ƙananan yanayi, yayi dumu dumu.
Baya ga farin farin gashi mai gashi, mai farautar yana da kaurin mai mai kauri wanda yake riƙe zafi. Godiya ga mai laushi, jikin dabba bai cika sanyi ba. Gwanin polar gabaɗaya baya damuwa da sanyi. Kari akan haka, yana iya yin zaman lafiya cikin yini a cikin ruwan sanyi har ma yayi iyo har zuwa kilomita 100 a ciki ba tare da tsayawa ba! Wani lokaci mai farauta yakan dade a cikin ruwa na dogon lokaci don neman abinci a wurin, ko kuma ya shiga bakin teku ya farautar farautar sa a cikin fadaddun fari-fari na Antarctica da Arewa. Kuma tunda babu wani matsuguni na musamman a filayen dusar ƙanƙara, "mai farauta" ya sami tsira ta farin gashin gashi. Gwanin polar bear yana da ɗan shuɗi kaɗan ko fari, wanda ke ba wa mai farauta damar narkewa da kyau a cikin fari na dusar ƙanƙara, ta haka yana mai da shi ganuwa kwata-kwata ga abin farautarta. Farin launi na dabba shine mafi kyaun sutura... Ya zama cewa ba don komai ba ne yanayi ya halicci wannan mai farautar daidai fari, kuma ba launin ruwan kasa ba, mai launuka iri-iri ko ma ja.
