Polar bear

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Polar bear na daya daga cikin 'yan dabbobin da aka kasu kashi biyu a lokaci daya. Don haka, a mafi yawan ƙasashe, ana rarraba wannan dabba a matsayin mai shayarwa a cikin ruwa. Ganin cewa a Kanada ana ɗaukarsa ne kawai azaman mai shayarwa na ƙasa. Babu wani ra'ayi guda a nan.

Ya zuwa yanzu, masana kimiyya ba su kafa hujja da wane irin tushen wannan nau'in dabba ba. Bisa ga binciken da yawa, ana iya ɗauka cewa kakannin polar bear har yanzu beyar mai ruwan kasa ce.

A halin yanzu, akwai kusan nau'ikan 19 na wannan dabba, waɗanda aka kasu kashi 4 manyan ƙungiyoyi.

Manya maza suna da girma - nauyinsu ya kai kilogram 350-600. Game da matan manya, nauyinsu ya kusan rabi - kusan ba a samu fiye da kilogram 295 ba.

A cikin ajinsu, ana ɗaukar bears na polar masu daɗewa - a cikin daji, wato, a cikin yanayinsu na asali, suna rayuwa kusan shekaru 18-20. Koyaya, masu bincike sunyi rikodin lokuta da yawa lokacin da dabbar ta rayu har zuwa shekaru 30. Na dabam, ya kamata a faɗi game da waɗancan mutanen da ke rayuwa a cikin yanayin wucin gadi - a wannan yanayin, beyar na iya rayuwa har zuwa shekaru 40. Mai rikodin ita ce Debbie beyar daga Kanada, wacce ta rayu tsawon shekaru 42, wanda a zahiri, ya ninka na waɗanda ke rayuwa a daji.

Inda yake zaune

Wannan dabba mai ɗaukaka tana rayuwa ne kawai a cikin kyakkyawan yanayi don ita - a cikin Arctic. Can sai ya yawaita, ya gama cin abincinsa ya gina wuraren dusar ƙanƙara, inda yake rayuwa a ciki. Ana samun Bears a ko'ina cikin Arctic, amma mafi yawansu ana iya samunsu a yankunan da akwai yawan jama'a na hatimin ringi.

Anan zai dace don bayyana fassarar shubuha game da halin ɗalibai. Gaskiyar ita ce, wannan nau'in na polar bear ya dace da rayuwa a kan ƙasa da kan ruwa. A zahiri, sabili da haka, wasu masana kimiyya sun danganta shi da ruwan teku, yayin da wasu kuma ga dabbobi masu shayarwa na duniya.

Dabbobi, duk da ƙarfinsu da ikon dacewa da yanayin yanayi daban-daban, suna da rauni ƙwarai dangane da rayuwa. A yankin ƙasar Rasha, waɗannan dabbobin suna cikin Red Book.

Polar bear hali

Ba daidai ba, amma polar bear ba ya jin tsoron mutane, amma wannan ba ya nufin kwata-kwata cewa mutum na iya yin hulɗa da shi. Duk dai dai, duk abin da mutum zai iya fada, amma yana da mai farauta. Gaskiya mai ban sha'awa - a Kanada har ma akwai "kurkuku" na musamman inda aka kawo beyar, waɗanda ke kusa da ƙauyuka kuma suna da haɗari mai haɗari. Gaskiya ne, a cikin kamanninta yana kama da gidan ajiye namun daji kuma ana ajiye masu yaƙe-yaƙe na ɗan lokaci.

Dangane da danginsu, bears suna da lumana, amma a lokacin saduwarsu zasu iya haɗuwa a cikin duel. Gaskiya ne, wannan yana buƙatar dalili mai mahimmanci - idan abokin hamayyar ya shiga yankin wani kuma ya yi iƙirarin cewa mace ce.

Polar bear har yanzu wannan matafiyi ne - yana iya shawo kan gajere da nisa mai sauƙi. Haka kuma, ana iya yin hakan ta ninkaya, da motsawa akan kankara ko ta ƙasa.

Polar bear abinci

Polar polar bear wata dabba ce ta tundra. Ganinta, a matsayin doka, ya zama kurege na teku, walrus, hatimi, hatimi. Mai farautar baya kyamar manyan kifayen, wadanda suke saurin kamawa da kansu.

Ana yin lissafin wurin ganima kamar haka: beyar tana tsaye akan ƙafafuwanta na baya kuma tana shakar iska. Misali, yana jin warin hatimi a nesa na kilomita. A lokaci guda, ya hau kan ganinta ba tare da an lura da ita ba, wanda kusan ba shi da hatimin damar samun tsira.

Launin gashi ma yana ba da gudummawa ga farauta mai nasara - saboda gaskiyar cewa fari ne, wannan ya sa ba za a iya ganinsu a cikin kankara ba.

Beyar na iya jiran ganima na dogon lokaci. Da zaran ya bayyana a farfajiyar, mai farautar ya dame shi da hannu mai ƙarfi kuma ya ja shi zuwa saman. Gaskiya ne, don samun babban farauta, beyar yakan shiga cikin faɗa mai tsanani.

Sake haifuwa

Haihuwa a cikin mata yana farawa tun lokacin da ya kai shekaru uku da haihuwa. Beyar ba zata iya haihuwa ba fiye da 'ya'ya uku a lokaci guda. Kuma a duk rayuwarta zata iya haihuwar yara da basu wuce 15 ba.

Yawanci, ana haihuwar yara ne a lokacin hunturu. Kafin ta haihu, mace ta shirya wuri - ta fitar da rami mai zurfi a cikin dusar ƙanƙara, wanda a cikin sa jariran ba kawai za su kasance da dumi ba, amma har da lafiya. Har zuwa lokacin bazara, uwar tana ciyar da zuriyarta da nono, bayan haka theasan suna fita neman duniya.

Ya kamata a sani cewa koda yake sun kasance masu zaman kansu masu zaman kansu, har yanzu ba a katse hulda da uwa - har sai sun zama masu cikakken 'yanci, kulawar mata ba ta tsaya ba. Dangane da uba kuwa, ba za a iya cewa ba ruwansu da ‘ya’yansu ba, amma akwai maganganun wuce gona da iri.

Gwanin polar na ɗaya daga cikin manyan wakilai na duniyar dabbobi, kuma zai zama abin kunya idan ya ɓace gaba ɗaya.

Polar bear bidiyo

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Kalli bidiyon: Heart-Wrenching Video: Starving Polar Bear on Iceless Land. National Geographic (Nuwamba 2024).