Uhlala phi iArctic ehlala khona kwaye idle?

Kuyaziwa nayiphi na isazi sokuqala sokuthi i-whitefish i-arctic i-harefish ihambelana nokuba ikhona kwimimandla yeentaba kunye ne-polar. Iyakulungiswa kakuhle kwiimeko eziphezulu ezisemntla, kwaye ubomi bukhetha indawo eninzi kunye nehlabathi elingenanto.

Inkcazo emfutshane yokubonakala

Ubungakanani bomyinge womntu omdala weekhilogram ezine ufikelela kuma-55-70 amentimitha. Ngokufana neenzalwane zayo, i-Arctic hare inomsila omncinci kunye nemilenze emininzi enamandla, ivumela ukuba iqhube ngokukhawuleza phezu kwekhephu elibi. Intloko yesilwanyana ihlotshiswe ngeendlebe ezimfutshane, kwaye umzimba uphelelwe ngobunzima obunzima, obunceda ukunyamezela ukushisa amaqondo aphantsi. Hare, ehlala enyakatho ekude, abe neengubo zobumhlophe ezimhlophe. Abantu abahlala kwezinye iindawo ehlotyeni bafumana i-gray-blue tint, ngenxa yokuba baqhelana ngokulula njengezityalo zendawo kunye namatye.

Le ndawo ihlala phi?

I-Arctic hare ihlala kwimimandla esenyakatho yeCanada Arctic Archipelago naseGreenland. Kwakhona, inokufumaneka rhoqo kwiLabrador, eNewfoundland nase-Ellesmere Island. Leli silwanyana lihlelwe ngokufanelekileyo kwiindawo eziphakamileyo kunye neendawo eziphantsi. Ehlobo, iihares zikhetha indawo apho izityalo zikhula ngokukhawuleza. Ebusika, baya emakhonkceni ahlukeneyo, apho akudingeki ukuba umbe ubunzulu ukufumana ukutya. Bazama ukuphepha iindlovu ezimanzi, zikhetha ukuhlala kwindawo ekhulayo.

I-Arctic hare ingenza ukufuduka kwexesha lonyaka. Ngoko, abahlali abamhlophe, abahlala eCallin Inlet, basuka kwilizwe ukuya kwiiqithi ezincinci ekupheleni konyaka. Isizathu esibalulekileyo sale migudu yincinci encinane yezilwanyana ezihlala kuyo.

Yintoni i-polar hare idla?

I-whale yeArctic yowesigaba seerbivores. Isiseko sesondlo sakhe senziwe ngezityalo ezilwanyana. Unokudla utshani, amaqabunga, amajikijolo kunye neentso. Isilwanyana sinephunga eligqibeleleyo, ngoko kulula ukumba iingcambu kunye neentonga ze-Willow ezifihliweyo phantsi kweluhlu lwekhephu.

Ukongezelela, kukho iimeko ezirekhodiweyo ukuba i-arctic hare idla i-bark, i-sedge, i-lichens, i-mosses kunye nayo inyama evela kwiingcingo zokuzingela. Kwakhona, unokutya i-algae ethwalwe yi-tide. Ngethuba lokutya, i-whitefish izama ukuncika emilenzeni yemilenze, ikhuphe iqhosha elingaphambili, apho i-vegetation ezidliwayo zifihla khona. Emva kokutya, kufuneka bahlambulule ubomvu babo. Ukufumana ukutya, kufihliwe phantsi kobunzima obunzima beqhwa, isilwanyana siwabetha ngee-paws zayo ezinamandla, kwaye siqala ukuthoba i-ice crust.

Iimpawu zokuvelisa

Isikhathi sokukhula sivame ukuwa ngo-Apreli-Meyi. Ngeli xesha, abamhlophe bahlukana ngamabini, kodwa enye inkunzi ingaba neenkunzi eziliqela ngeyodwa. Zaychikha, ukhetha indawo efihliweyo emva kwamatye okanye phantsi kwehlathini, uphonsa umgodi ubeke ubomvu kunye nengca. Ubungakanani bemizuzu yokukhulelwa kwebhinqa iintsuku ezingama-36-42. Ukusondela ngasenyakatho, emva koko i-bunny izalwe.

Kwi-litter, njengomthetho, kukho abantwana abane ukuya ku-sibhozo, ubunzima bomsebenzi ngamnye we-56-113 amagremu. Bazalwa bevele bebona, kwaye umzimba wabo ugubuke ngeenwele ezimnyama. Emva nje kwemizuzu embalwa emva kokuzalwa kwezingane sele sele ikwazi ukunqumla. Ubuncinane beeveki ezimbini ziba zimeleyo kwaye azifunanga kakhulu unina. NgoSeptemba bafana nabazali babo, kwaye ngexesha elizayo baqala ukwanda.

Iimpawu zokuziphatha

Ngelishwa, le ngongoma yobomi be-whitefish iye yafundwa yimbi ngakumbi kunezihlobo zayo. Kuyaziwa ngokuqinisekileyo ukuba i-Arctic hare isilwanyana sasebusuku kunye nesikhomba. Akahlali ebusika, ngenxa yokunyamezela ngokushisa okuphantsi ngenxa yefurs ezixinzekileyo kunye nomlinganiselo ophantsi phakathi kommandla kunye nomthamo womzimba wakhe. Siyabulela kule mpawu ukuba umzimba we-whitefish ulawula ukuhlawula ukuhlaziywa kwe-basal metabolism.

Kwiindawo ezinqabileyo ezinqabileyo, iinqweba zifihliwe emva kwamatye okanye kwimibhobho evuliwe. Bahlala kwiindawo ezincinci, ngoko bafuna ukutya okufanayo ekufuneni ukutya. Ukuxhamla izilwanyana, ezi zilwanyana zinokunyuka kwijubane malunga neekhilomitha ezili-60 / h.