Popanda, ngakhale manja: zimene amafuna tusks Walrus?

Walruses ndi pinnipeds yaikulu ya kumpoto kwa dziko lapansi la dziko lathuli. ukulu zawo angathe kutsutsana ndi zisindikizo njovu, tikukhala mu Chigawo cha kum'mwera. Chinthu chapadera nyama zimenezi, ndithudi, iwo ndi mano yaitali kwambiri, kenako inasanduka tusks. ndi tusks wa walruses chiyani? Tidzayensa funso limeneli m'nkhani ino.

ndi walrus ndi ndani?

Iwo oimira gulu la nyama zimene zimakhala mu nyanja ya Arctic, ndiwo mtundu ano okha a m'banja la dzina chomwecho - Walrus. Mwadongosolo walruses ndi gulu la pinnipeds. Akuluakulu mosavuta kuzindikira ndi tusks awo kwambiri yaitali. Ndi kulakwa amakhulupirira kuti - kudziona mano. Izi siziri zoona kwathunthu, chifukwa chapamwamba walrus tusk zasintha osati mawonekedwe ake pa nthawi, koma mapeto: iye anali tusk weniweni. Koma tikambirana ina.

Kufotokozera za mitundu

Pamaso kufotokoza zimene zikufunika tusks wa walruses, muyenera kuganizira mtundu wa pinnipeds heavyweights mwatsatanetsatane. Walruses - lalikulu m'madzi pinnipeds nyama ndi m'malo khungu lakuda, yokutidwa ndi lalifupi lachikasu bulauni tsitsi. wochindikala zina upambana 5 masentimita. Ndi zaka tsitsi kugwa. Khungu ndi zaka nyama pafupifupi hairless. Pansi pa khungu chabe pamwamba masamba awiri outgrowth. Pansi iwo zibisika otchedwa mpweya sacs. Walruses kuzikwaniritsa ndi mpweya, kuzipatsa kugona padziko madzi.

Waumuna kutalika kwa thupi mwina upambana mamita 4, pamene thupi lawo pazipita - matani 2. Monga tanena lalikulu canines chapamwamba kenako inasanduka tusks bwino anayamba. kulemera okwana ndi makilogalamu 12. Kutalika kwa aliyense yaikuluyi limakula 1 mita. Walrus (chithunzi m'nkhani ino) ali ndi nkhope zinthu zambiri, alimbane ndi zambiri bristles wakuda ndi ouma, chokhala ndi masharubu (ndevu). Mu nyama zimenezi, palibe ziwalo kunja mogontha, ndipo maso ang'ono ndi ofooka woona.

Kufalitsa mitundu

Walruses - mmene anthu Arctic. Mwachitsanzo, Pacific subspecies akupezeka m'madzi osaya mu Chukchi ndi East Siberia nyanja. Malinga ndi asayansi, anthu amakono a Pacific walrus si oposa 200 000 payekha. gawo la mikango a iwo akupezeka osati Chukchi ndi East Siberia nyanja, komanso pafupi ndi Wrangel Island, mu Nyanja Beaufort. Mu chilimwe, mukhoza penyani walruses mu Anadyr ndi wa Bristol Channel.

Mwatsoka, Atlantic walrus subspecies anali pafupifupi kuwonongedwa chifukwa cha nsomba malonda, imene pa nthawi ina sumalamulidwa ndi akuluakulu zogwirizana. Chiwerengero cha ichi subspecies wa pinnipeds si panopa kuposa anthu 000 ndi 20. Kugawira Atlantic walrus pa Arctic Canada, Spitsbergen ndi Greenland ku dera kumadzulo kwa Russian Arctic.

walrus tusks

Tusks ndi Mbali khalidwe la walruses onse wamkulu. Monga ndanenera pamwamba, pamene anali mano, kenako lengthened ndi lidzasinthidwa tusks. Iwo ali onse amuna ndi akazi. tusks izi kukula mu moyo wa nyama, zonse zatsopano. ndi tusks wa walruses chiyani? Kumene, kuti ndewu ulamuliro chikhalidwe, kupeza chakudya ... osati! Taganizirani funso ili mwatsatanetsatane.

Chifukwa walrus tusks?

Tusks - chida chilengedwe walruses. Iwo ntchito monga ayezi nkhwangwa, popanda zomwe sikutheka kusuntha pa ayezi poterera, ndipo monga ngati tsamba, ndi zomwe walruses kuchotsa chipolopolo kuchokera pansi panyanja, ndi monga chithandizo kwa mutu chachikulu, ndipo ngakhale ngati chida wakupha zofunika nkhondo ndi Otsutsa ndi adani (kumalo ozizira zimbalangondo). Komanso, tusks izi pinnipeds heavyweights iwo aphe nyama zikuluzikulu. Pomaliza, mtundu uwu wa chosiyana chizindikiro Walrus: champhamvu mano, iye ali mu ulamuliro!

Monga mukuonera, pali mafotokozedwe zambiri zimene zikufunika tusks walrus. Akatswiri a sayansi amanena kuti, ngakhale onse pamwamba ubwino tusks, ntchito yawo yaikulu - chikhalidwe. chakuti mano yaitali ndi wamphamvu amati udindo yoyenera chikhalidwe cha ichi kapena kuti munthu: ku phwando la walruses mtsogoleri ndipo mtsogoleri woyamba ndendende anthu kuti canines adzayang'ana zowoneka wamphamvu ndi yaitali kuposa ena.

Mwachitsanzo, aamuna lalikulu mwadzidzidzi anakumana ndi wachibale wake ndi chimodzimodzi kutalika, ndi canines lalikulu nkhondo n'zosapeŵeka! Osati nthawi zonse ndewu zimenezi kungachititse kuti imfa ya mdani ofooka, ndi nthawi imodzi walruses imanyamuka nkhondo. Asayansi dziwani kuti chikhalidwe kanali walruses, anaikira mu mano ake, si kwa ulamuliro wa nyama. Fomu tusks ndi makulidwe awo amasonyezanso msinkhu ndi kugonana lastonogo.

Chifukwa walrus tusks panobe? Kokasaka, kumene! N'kosatheka kuti muone mmene walruses ntchito tusks awo yaitali kwambiri zapamoyo. Animal imadumphira m'madzimo uku ikukupiza kwambiri m'nyanja, zimapangitsa izo pansi ndipo pali kale ntchito tusks awo ayamba ikuyendayenda kukafunafuna chakudya: oysters, zipolopolo, mamazelo ndi nkhono zina. Walrus tusks akukumba nyanjayo ndi mukulumikiza wovulalayo pa tusk wake monga chidutswa cha nyama skewer ndi!