Ba tare da su, ko da yake babu hannuwa: abin da bukatar hauren dabbar walrus?

Walruses su ne mafi girma pinnipeds na arewacin yammancin duniya na wannan duniya tamu. Su magabaci iya kawai kalubalanci giwa like, da suke zaune a kudancin yammancin duniya. A rarrabe da wadannan dabbobi masu shayarwa ne, ba shakka, su ne sosai dogon fangs, ƙarshe juya a cikin giwa. Mene ne giwa na walruses? Za mu yi kokarin amsa wannan tambaya a cikin wannan labarin.

Su wane ne dabbar walrus?

Su ne wakilan azuzuwan na dabbobi masu shayarwa da cewa rayuwa a cikin tekuna na Arctic, wanda su ne kawai zamani nau'in na ga iyali na wannan sunan - dabbar walrus. Tsare walruses ne a rukuni na pinnipeds. Manya ne sauƙi recognizable su fice dogon giwa. Yana da wani kuskure to yi imani da cewa shi ne - kai-fangs. Wannan ba gaba ɗaya na gaskiya, saboda da babba dabbar walrus haure ya canza ba kawai da siffar kan lokaci, amma kuma da makoma: ya kasance mai real haure. Amma za mu magana game da daga baya.

Description of jinsunan

Kafin bayanin abin da ake bukata giwa na walruses, ya kamata ka yi la'akari da irin wannan pinnipeds Olympics daki-daki. Walruses - a manyan marine pinnipeds dabbobi da wani m m fata, ya rufe tare da gajeren rawaya-kasa-kasa gashi. Its kauri iya wani lokacin wuce 5 santimita. Tare da shekaru da gashi fada. A tsohon fata ne kusan hairless dabbobi. Karkashin fata kawai sama da ruwan wukake ne biyu outgrowth. Ƙõramu su suna boye abin da ake kira iska sacs. Walruses cika su da iska, kyale su su yi barci a kan ruwa surface.

Adult namiji jiki tsawon iya wuce 4 mita, yayin da su matsakaicin nauyi - 2 tons. Kamar yadda aka ambata a sama, da babban soron canines ƙarshe juya a cikin wani da kyau-ɓullo da giwa. Su duka nauyi ne 12 kilo. A tsawon kowane Santa ke tsiro zuwa 1 mita. Dabbar walrus (photo gabatar a wannan labarin) yana da wani fairly m fuska, liyi tare da yalwa da lokacin farin ciki da m bristles, kama gashin-baki (ke tsaye bakin ramin). A waɗannan dabbobi, babu waje gabobin da ji, da kuma idanu su kananan da kuma raunana-gani.

Rarraba jinsunan

Walruses - hankula Arctic mazauna. Alal misali, Pacific subspecies aka samu a cikin kududdufi ruwa a cikin Chukchi da kuma Gabas Siberian tekuna. A cewar masana kimiyya, na zamani yawan jama'a na Pacific dabbar walrus ba fiye da 200 000 mutane. Zaki ya share na su da aka samu ba kawai a cikin Chukchi da kuma Gabas Siberian tekuna, amma kuma a kusa da Wrangel Island, a cikin Beaufort Sea. A lokacin rani, za ka iya duba da walruses a Anadyr kuma da Bristol Channel.

Abin baƙin ciki, da Atlantic dabbar walrus subspecies aka kusan hallaka a sakamakon sayar da kifi, wanda a lokaci daya ba a kula da dacewa hukumomi. The yawan wannan subspecies na pinnipeds ba a halin yanzu ya wuce 000 mutane da kuma 20. Rarraba Atlantic dabbar walrus a kan Arctic Canada, Spitsbergen da Grecia da yammacin yankin na Rasha Arctic.

dabbar walrus giwa

Giwa ne mafi halayyar alama na duk adult walruses. Kamar yadda na ambata a sama, da zarar ta yi fangs, wadda daga ƙarshe tsawo da kuma canza kama zuwa giwa. Su ne duka a su maza da mãtã. Wadannan giwa girma cikin dabba ta rayuwa, kullum updated. Mene ne giwa na walruses? Hakika, domin ta faɗa ga zamantakewa dominance, a sami abinci ... da kuma ba kawai! Ka yi la'akari da wannan tambaya a cikin mafi daki-daki.

Me dabbar walrus giwa?

Giwa - a duniya da kayan aiki na walruses. Suna amfani da wani kankara gatari, ba tare da wanda ba shi yiwuwa su matsa a kan m kankara, da kuma yadda wani irin ruwa, da wanda walruses cire harsashi daga teku kasa, da kuma a matsayin goyon baya ga nauyi shugaban, har ma a matsayin wani m makami da ake bukata domin yaki tare da kishiyoyinsu, kuma makiyan (na iyakacin duniya take ɗauke). Bugu da kari, wadannan giwa pinnipeds Olympics da suka kashe manyan ganima. A karshen wannan irin rarrabe alamar dabbar walrus: daya iko fangs, ya ke cikin cajin!

Kamar yadda ka gani, akwai mutane da yawa bayani ga abin da ake bukata giwa dabbar walrus. Masana kimiyya sun ce, duk da dukan sama da abũbuwan amfãni giwa, su main rawa - zamantakewa. Gaskiyar cewa dogon da kuma iko fangs bayar da shawarar dace zamantakewa matsayi na wannan ko wancan mutum: a wani taro na walruses shugaban da shugaban ne daidai da mutane cewa canines zai duba gani more iko da fiye da sauran.

Idan, misali, rinjaye namiji ba zato ba tsammani ya sadu da zumunta tare da daidai wannan tsawon, da kuma manyan canines yaƙi ba za a iya kauce masa. Ba ko da yaushe irin wannan yãki kai ga mutuwar wani rauni abokin gaba, shi ne sau da yawa sosai daya daga cikin walruses bar fagen fama. Masana kimiyya lura cewa da zamantakewa insignia walruses, mayar da hankali a fangs, ba a iyakance ga dominance na wadannan dabbobi. Form giwa da girmansu kuma nuna da shekaru da kuma jima'i lastonogo.

Me dabbar walrus giwa duk da haka? Farauta, ba shakka! Ba shi yiwuwa ba a lura da yadda walruses yin amfani da su giwa sosai dogon tãrãwa su rai. Animal kurme mai zurfi cikin teku, ya sa shi a cikin kasa da kuma a can aka riga ta amfani da giwa fara prowl a search na abinci: oysters, bawo, mussels da sauran Shellfish. Dabbar walrus giwa excavating seabed da stringing da aka azabtar a kan haure kamar wani nama a kan wani Skewer!