Uphawu elineentshebe, itywina elineentshebe, okanye

Enye yezona iintlobo itywina, awayengabemi kummandla i-Arctic Ocean, kukho umvundlana ulwandle, okanye itywina elineentshebe. Uhlala phantse zonke iilwandle Arctic amanzi ezikufutshane. uphawu elineentshebe ingafunyanwa kwi kunxweme elingasempuma East Siberian Lwandle kuLwandle Chukchi, kude Cape kaBorrow, kumanzi Spitsbergen, Severnaya Zemlya. Ukongeza, ezi zilwanyana ezihlala emanzini kuyaphi le Kara, Barents kunye White Seas. Elineentshebe wathabatha izibiliboco ukuze inxalenye enkulu kuLwandle Okhotsk , kwaye bengekafiki kunxweme yoMzantsi Sakhalin. Izakufunyanwa kwi amanzi North Atlantic, kwakunye nentshona yonxweme kunye nempuma yeli eGreenland. Abanye abantu ngamanye amaxesha aningabo ngokuqhutywa yintliziyo, nokuba aya kummandla we North Pole, nto leyo ibeka phezu ngumkhenkce.

Ingaba Hare njani elwandle? Uphethe umzimba entle omkhulu, wagaleleka kuyo intloko amaphiko encinane. abadala Ubude yale Uhlobo ukusuka 2.2 ukuya 3 m, ngokuxhomekeke yokuhlala ubunzima baso kwaye ube ukuya kwi 360 kg. uphawu elineentshebe sinobuso side kancinane kunye nentamo elifutshane. Abantu abadala kwahluka ezinombala sinombala-ongwevu emva, apho emazantsi iba mpunga ukukhanya. Abantu abaninzi ecaleni emva kukho uhlobo umtya - band emnyama kunye imisele ungapheleli. Abasetyhini kunye namadoda ezinombala ofanayo.

nomvundla Sea inomsebenzisi ngokukhawuleza ukuba izahlule kwezinye lamatywina - intshebe big Umlebe ubukhulu kwaye elide (uhlobo lwe Mthovu) ezigudileyo kunye nokuba isimo. Ezinye entlonzeni - a rough kunye kwaphela kakhulu. seal Newborn abe ezithambileyo idyasi iinwele ezingwevu-mdaka, esifana inoboya. Phezu kwentloko izilwanyana, kukho iindawo ezimhlophe. Ngomnwe lesithathu kwi-mbuku ngaphambili elide. Amazinyo mancinane kakhulu, nto leyo ekhokelela lingonakali yabo ekhawulezileyo. nto abadala evela iintsini, zivela kancinane oko.

Ezinye yokufuduka ngamaxesha itywina elide elineentshebe angabi. Inkoliso yezi zilwanyana zithathwa iintlobo ungenzi nto, nangona olungephi umgama move rhoqo. Kuxhomekeka kwindawo ezihlala ungasa zombini ngononophelo kwaye nje (ice). Kwi ngumkhenkce, ukuba adla kulizwe enye kwenye, kwiimeko ezinqabileyo, inani labo unyuka kubantu abathathu. Xa ice itywina akukho siphinda-, yena utsalo oko yakhwela eli liyithweleyo nge amaqhuma amaphiko angasemva emanzini. Ekwindla, Nani linganisani i rookeries ezinkulu unxweme.

Sea nomvundla uzingela izilwanyana ezantsi kwaye benthic, ekukhethwa ukuba ibe nobunzulu kweemitha 60. Kukho iimeko enqabileyo apho amatywina zehlela kubunzulu kweemitha ezili-150. Saleli ixhomeke zokuhlala. Iinjongo zale hlobo amatywina lwamandla iintlobo ezingaphezu kwe-70, kuquka intlanzi, molluscs, iintshulube, intlanzi ezahlukeneyo. Kwiimeko ezininzi, ukutya ukutya exutyiweyo.

Zikhwela iimazi abadala kwenzeka kwi emkhenkceni emva kwethuba zisanyisa. Ukukhulelwa phantse ngonyaka. Puppy kwenzeka ukususela ngoMatshi ukuya kuMeyi. Abo amatywina ehlala kuLwandle Okhotsk, siphela inyanga ngaphambili, kunye Canadian Archipelago, noLwandle wethu - kuphela ngoMeyi. nomvundla ulwandle Newborn ligutyungelwe engqindilili inombala omdaka, okuhlala akukho elingaphezu kweeveki ezintathu. ubude bomzimba wayo ngu-120 cm. ubisi likanina ondla usana iiveki-4 kuphela.

Ngobume bayo, olu hlobo uphawu isilwanyana ndisaxomoloza-natured, ubonisa akukho ndlongo. Okumangalisayo kukuba, amaduna musa kuphazamisana nkqu ixesha lokukhwela.