Polar Bear

Wadatacce

• inda dabbar belar ke rayuwa
• Halayen Polar Bear
• iyakacin duniya bear ciyar
• iyakacin duniya bear hali
• Tsare -tsaren Belar Bear
• Abubuwan sha'awa

O Farin Bear ko teku ursus, kuma aka sani da Polar Bear, ita ce mafi yawan dabbobin daji na Arctic. Dabba ce mai cin nama na dangin beyar kuma, ba tare da wata shakka ba, ita ce mafi girma a duniya a duniya.

Duk da bayyanannun bambance -bambance na zahiri daga beyar launin ruwan kasa, gaskiyar ita ce suna raba manyan halayen halittu waɗanda za su ba da damar, a cikin yanayin hasashe, haifuwa da zuriyar zuriya na samfuran duka biyu. Duk da haka, dole ne mu jaddada cewa su nau'ikan daban -daban ne, saboda bambance -bambancen ilimin halittar jiki da na rayuwa da halayyar zamantakewa. A matsayin magabacin farin beyar, muna haskaka Ursus Maritimus Tyrannus, babban gandun daji. Don ƙarin koyo game da wannan dabba mai ban mamaki, kar a rasa wannan takardar PeritoAnimal, inda muke magana game da halayen polar bear kuma muna raba hotuna masu ban mamaki.

Source

• Amurka
• Asiya
• Kanada
• Denmark
• Amurka
• Norway
• Rasha

inda dabbar belar ke rayuwa

O polar bear mazaunin su ne dindindin dusar ƙanƙara na ruwa, ruwan kankara da ke kewaye da kankara, da kuma ɓatattun filayen kankara na kankara na Arctic. Akwai takamaiman alƙaluma shida a duniyar nan waɗanda sune:

• Kasashen Yammacin Alaska da tsibirin Wrangel, dukkansu na Rasha ne.
• Arewacin Alaska.
• A Kanada mun sami kashi 60% na jimlar adadin samfuran polar bear a duniya.
• Greenland, Yankin Mallaka na Greenland.
• Tsibirin Svalbard, mallakar Norway.
• Ƙasar Francis Joseph ko Fritjof Nansen tarin tsibiri, suma a Rasha.
• Siberiya.

Halayen Polar Bear

Polar bear, tare da Kodiak bear, shine mafi girma a cikin bears. idan kuna son sani nawa ne ma'aunin dabbar dusar ƙanƙara ta auna, maza nauyi fiye da 500 kg, kodayake akwai rahotannin samfuran da ke auna fiye da kilogram 1000, wato fiye da tan 1. Mace tana auna kusan rabin maza, kuma tana iya auna tsawon mita 2. Maza sun kai mita 2.60.

Tsarin belar dusar ƙanƙara, duk da girmanta, ya fi siriri fiye da na dangi, beyar launin ruwan kasa da baƙar fata. Kansa ya fi ƙanƙanta kuma an liƙa shi zuwa ga muzanta fiye da sauran nau'in beyar. Bugu da ƙari, suna da ƙananan idanu, baƙar fata da annuri kamar jirgin sama, da kuma tsattsauran ra'ayi mai tsananin ƙarfi. kunnuwan kanana ne, gashi kuma mai zagaye sosai. Wannan ƙayyadaddun yanayin fuska musamman saboda dalili guda biyu: kamewa da yuwuwar gujewa gwargwadon asarar zafin jiki ta hanyar gabobin fuska da aka ambata.

Godiya ga rigar dusar ƙanƙara da ke rufe babban jikin fararen beyar, ta haɗu da kankara wanda ya zama mazauninsa kuma, sakamakon haka, yankin farauta. godiya ga wannan cikakke sake kamanni, yana rarrafe a kan kankara don samun kusanci da hatimin ringin, wanda shine mafi yawan abin da yake ci.

Ci gaba da halaye na belar polar, zamu iya cewa ƙarƙashin fata, farin beyar yana da kauri mai kauri wanda ke keɓe ku ƙanƙara daga kankara da ruwan kankara na arctic inda kuke motsawa, iyo da mafarauta. Ƙafar dusar ƙanƙara ta fi bunƙasa fiye da ta sauran beyar, yayin da suka samo asali don tafiya mil da yawa a kan kankara mai zurfi da kuma yin iyo mai nisa.

iyakacin duniya bear ciyar

Farin beyar yana ciyarwa galibi akan samfuran samari daga hatimin ringi, ganima da ke farauta ba tare da ɓata lokaci a kan kankara ko ƙarƙashin ruwa ta hanya ta musamman.

iyakacin duniya bear akwai hanyoyi guda biyu na farauta. wuya. Sauran nau'in farauta, kuma mafi na kowa, ya ƙunshi leƙa ta hanyar murfin hatimi. Waɗannan ramukan ramuka ne waɗanda hatimin ke yin su a cikin kankara don zagayawa da numfashi yayin kamun kifi a cikin ruwan da kankara ta rufe. Lokacin da hatimin ya fitar da hancinsa daga cikin ruwa don yin numfashi, beyar tana ba da mugun bugun da ke fasa kwanyar abin da ya ci. Hakanan yana amfani da wannan fasaha don farauta belugas (cetaceans na ruwa masu alaƙa da dabbar dolphin).

Polar bears kuma tana ganowa pups hatimi ɓoyayyu a cikin manyan gidajen tarihi da aka haƙa ƙarƙashin kankara. Lokacin da suka sami madaidaicin matsayi ta amfani da jin ƙamshinsu, sai su jefa kansu da dukkan ƙarfinsu a kan daskararren rufin kogon inda ɗan ɓoyayyen yake ɓoyewa, ya fado samansa. A lokacin bazara kuma suna farautar doki da caribou, ko ma tsuntsaye da ƙwai a cikin wuraren da ake ƙugiya.

Don ƙarin cikakkun bayanai, kar a manta da wannan labarin kan yadda bear polar ke rayuwa cikin sanyi.

iyakacin duniya bear hali

iyakacin duniya bear ba ya yin bacci kamar yadda takwarorinsu na wasu nau'in ke yi. White bears na tara kitse a lokacin hunturu kuma suna rasa shi a lokacin bazara don sanyaya jikinsu. A lokacin kiwo, mata ba sa cin abinci, suna rasa kusan rabin nauyin jikinsu.

Amma ga iyakacin duniya bear kiwo, tsakanin watannin Afrilu da Mayu ita ce kawai lokacin da mata ke jure wa maza, saboda zafin su. A waje da wannan lokacin, dabi'a tsakanin jinsi biyu tana gaba da juna. Wasu namiji iyakacin duniya bears ne cannibals kuma iya ci kwiyakwiyanta ko wasu bears.

Tsare -tsaren Belar Bear

Abin takaici, dabbar dabbar dabbar dabbar tana cikin mummunan haɗarin ɓacewa saboda yanayin ɗan adam. Bayan canzawa sama da shekaru miliyan 4, a halin yanzu ana hasashen yana da yuwuwar cewa nau'in na iya ɓacewa a tsakiyar wannan ƙarni. Gurɓataccen mai da sauyin yanayi suna matukar barazana ga waɗannan kyawawan dabbobin, waɗanda kawai maharan masu adawa da su mutane ne.

Babban matsalar da a halin yanzu ke fama da polar bear shine tasirin da ya haifar sauyin yanayi a cikin tsarinta. Hawan sanyin sannu a hankali a tekun Arctic yana haifar da sauri narke na kankara na Arctic floes (wani yanki mai faɗi na kankara mai iyo) wanda ya zama ƙasar farautar beyar polar. Wannan narkewar da ba a gama ba yana haifar da beyar ba ta iya gina ɗakunan ajiyar mai da ake buƙata don canzawa da kyau daga kakar zuwa kakar. Wannan hujja tana tasiri kan haihuwa na jinsin, wanda a cikin 'yan kwanakin nan ya rage kusan 15%.

Wata matsalar ita ce gurbata muhallin ta (galibi mai), tunda Arctic yanki ne mai wadata a cikin wannan gurɓataccen albarkatun ƙasa. Duk matsalolin biyu sun kai beyar polar zuwa farmakin mazaunin mutane don cin abincin datti da mazaunansu ke samarwa. Abin baƙin ciki ne cewa kasancewa mai ɗaukaka kamar wannan babban mafarauci ana tilasta shi ya tsira ta wannan hanyar ta hanyar cutar da mutum akan yanayi.

Abubuwan sha'awa

• A zahiri, polar bears kar a sami farar fata. Fushinsu yana da haske, kuma tasirin gani yana sa su bayyana fari kamar dusar ƙanƙara a cikin hunturu da ƙarin hauren giwa a lokacin bazara. Waɗannan gashin ba su da zurfi kuma suna cike da iska a ciki, wanda ke ba da tabbacin babban rufin ɗumama, wanda ya dace don rayuwa a cikin matsanancin yanayin Arctic.
• Fuskar belar belar ita cebaki, kuma ta haka ne yafi dacewa da shan hasken rana.
• Farar beyar ba ta shan ruwa, kamar yadda ruwan da ke mazauninsu yake da gishiri da acidic. Suna samun ruwan da ake buƙata daga jinin abin da suka ci.
• Tsawon rayuwar bears na iya kaiwa tsakanin shekaru 30 zuwa 40.