Walrus na Atlantika dabba ce ta musamman wacce ke rayuwa a wuraren tsaftataccen muhalli na Tekun Barents. Abun takaici, tasirin mummunan tasirin mutuntaka a bayyane yake anan - a halin yanzu jinsin yana dab da karewa baki daya, saboda haka yana cikin littafin Red Book. Kula da wadannan lambobin masu ban tsoro - daga cikin mutane 25,000, dubu 4 ne kawai suka rage a wannan lokacin. Yankunan da wadannan dabbobin ke rayuwa suna cikin tsananin kariya. Koyaya, karuwar jama'a yana tafiyar hawainiya.
Wadannan dabbobin suna rayuwa ne a cikin kananan dabbobi, warwatse, wadanda kusan basa hulda da juna. Karancin lambobi ya samo asali ne saboda yawan kamun kifi, amma, kamar yadda yake a mafi yawan lokuta.
Bayanin nau'in
Bayanan ilimin lissafi game da wannan nau'in basu da yawa, amma har yanzu akwai wasu bayanai. Babban dabba ne mai fatar fata mai ruwan kasa. Namijin walrus na tsaunin Atlantika tsawonsa ya kai mita 3-4 kuma zai iya kai nauyin tan biyu. Amma game da wakilan mata, zasu iya girma tsawon zuwa mita 2.6, kuma yawan bai wuce ton ɗaya ba. Kan walrus kanana ne, tare da dogon canines da ƙananan idanu. Tsawon dannawa na iya zuwa rabin mita. A wannan yanayin, hauren haushi ma na aiki ne - a sauƙaƙe suna ratsa kankara, suna taimakawa don kare yankinsu da garkensu daga abokan hamayya. Haka kuma, walrus yana iya huda koda polar bear tare da haurensa.
Duk da kibarsa da nauyinta masu girman gaske, wannan nau'in dabbar tana da karama guda daya, amma mai matukar mahimmanci - gashin baki. Sun kirkira kananan gashi da yawa amma masu tauri wadanda ke taimakawa walruses neman molluscs a cikin ruwa da kankara.
Wurin da ya fi dacewa don walrus na Atlantic shine kankara mai kankara. Game da sushi, a nan wannan babbar dabbar tana ji, don sanya shi a hankali, ba dadi ba. Saboda kibarsu da kuma nauyinsu, ba sa jin daɗin motsawa a ƙasa - za su iya yin amfani da ƙege 4 kawai don motsawa.
Wani katon wakilin Arctic yana cin abinci har kilogram 50 kowace rana. Wannan adadin shine mafi kyau a gareshi. Abincin ya dogara ne akan ɓawon burodi da molluscs. Amma, akwai shaidar cewa in babu abinci, walrus na iya kai wa hatimin jariri hari.
Tsarin rayuwa
A kan matsakaita, walrus na Atlantic yana rayuwa shekaru 45. Ya tafi ba tare da faɗi cewa a lokacin yawan adadinsa ba, tsawon rayuwa ya ɗan daɗe. Halin dabba baƙon abu ne - yana balaga sosai. Ana iya ɗaukar walrus babba ne kawai shekaru 6-10 bayan haihuwa. Walrus ba wai kawai zai iya barci, ya ci abinci ba, amma kuma ya yi ƙamshi, ya yi sautunan da mutane za su iya fahimta. Abin lura ne cewa irin wannan dabba na iya yin haushi.
Walrus shima ya kasance "mai hazaka" - a lokacin saduwa, yana yin sautuna na musamman wadanda suka yi kama da waka mai ma'ana. Ba duk wakilan duniyar dabbobi bane ke da irin wannan fasalin jan hankalin mata don haihuwa.
Aaukar ɗan tayi bayan ɗaukar ciki yana ɗaukar tsawon lokaci - shekara ɗaya. An shayar da jaririn shekara biyu kuma mahaifiyarsa ba ta barin shi har sai ya girma. Haihuwar zuriya tana faruwa duk bayan shekaru 3-5. A zahiri, garken garken an samar da shi ne daga mata da yara.
Wurin da aka fi so wurin zama a cikin ruwan dutsen shine Tekun Barents da Tekun Kara. Hakanan, ana iya samun dabbar a cikin ruwan Tekun Fari. Don tabbatar da adalci, ya kamata a san cewa raguwar yawan wannan nau'in dabbobi ba wai kawai saboda harbi da yawa saboda kamun kifi ba, amma saboda ci gaban masana'antar mai - kamfanoni a wannan masana'antar suna gurbata mahalli na asali na walrus.
