Arctic hare nyob qhov twg thiab nws noj dab tsi?

2024 Tus sau: Henry Conors | [email protected]. Kawg hloov kho: 2024-02-12 08:01

Txhua tus kws paub txog tsiaj txhu pib paub zoo tias Arctic hare yog ib qho hare tau yoog tau zoo rau kev muaj nyob hauv thaj chaw roob thiab roob polar. Nws tau yoog tau zoo rau huab cua hnyav sab qaum teb, thiab rau lub neej nws xaiv tsuas yog thaj av khib nyiab thiab thaj av liab qab.

Kev piav qhia luv luv ntawm qhov pom

Qhov nruab nrab ntev ntawm tus neeg laus plaub-kilogram tus neeg ncav cuag 55-70 centimeters. Los ntawm kev sib piv nrog rau feem ntau ntawm nws cov txheeb ze, lub arctic hare muaj ib tug me me fluffy tus Tsov tus tw thiab haib ntev hind ob txhais ceg, cia nws mus sai sai dhia los ntawm cov daus sib sib zog nqus. Lub taub hau ntawm tus tsiaj yog dai kom zoo nkauj nrog lub pob ntseg luv luv, thiab lub cev yog npog nrog cov plaub hau tuab, uas yuav pab ua kom zoo dua qhov kub thiab txias. Hares nyob rau sab qaum teb sab hnub poob muaj lub tsho dawb. Cov tib neeg nyob hauv lwm cheeb tsam noj cov xim greyish-xiav nyob rau lub caij ntuj sov, ua tsaug rau lawv yooj yim zais lawv tus kheej li cov nroj tsuag hauv zos thiab pob zeb.

hom tsiaj no nyob qhov twg?

Arctic hare populates thaj tsam qaum teb ntawm Canadian Arcticarchipelago thiab Greenland. Nws tuaj yeem pom ntau zaus hauv Labrador, Newfoundland thiab Ellesmere Island. Cov tsiaj no sib npaug zoo nyob hauv thaj chaw siab toj siab thiab qis qis. Nyob rau lub caij ntuj sov, hares xaiv thaj chaw uas cov nroj tsuag loj hlob sai. Nyob rau hauv lub caij ntuj no, lawv tsiv mus rau secluded ces kaum nyob rau hauv uas koj tsis tas yuav khawb tob kom tau zaub mov. Lawv sim zam cov nyom ntub dej, nyiam nyob hauv thaj chaw qhuav.

Arctic hare tuaj yeem ua rau lub caij tsiv teb tsaws chaw. Yog li ntawd, cov hare nyob hauv Rankin Inlet, thaum kawg ntawm lub caij nplooj ntoos hlav, txav los ntawm lub mainland mus rau me me Islands tuaj. Qhov laj thawj tseem ceeb ntawm qhov kev hloov pauv no yog suav tias yog cov neeg tua tsiaj tsawg dua nyob ntawd.

Npau suav teb noj dab tsi?

Arctic hare belongs rau qeb ntawm herbivores. Lub hauv paus ntawm nws cov khoom noj yog tsim los ntawm cov ntoo ntoo. Nws tseem tuaj yeem noj cov nyom, nplooj, berries thiab buds. Tus tsiaj muaj qhov hnov tsw zoo, yog li nws yooj yim khawb cov hauv paus hniav thiab willows muab zais rau hauv ib txheej ntawm daus.

Tsis tas li ntawd, cov xwm txheej tau sau tseg tias Arctic hare tau noj tawv tawv, sedge, lichens, mosses thiab txawm tias nqaij los ntawm kev tua tsiaj. Nws tseem tuaj yeem noj tidal seaweed. Thaum noj mov, tus dawb hare sim lean ntawm nws ob txhais ceg, raking lub snow nrog nws pem hauv ntej paws, nyob rau hauv uas edible zaub yog zais. Tom qab noj mov, lawv yuav tsum ntxuav lawv cov plaub hau. Txhawm rau kom tau txais cov zaub mov zais hauv qab ib txheej ntawm cov daus nyuaj, tus tsiaj ntaus nws nrog nws cov paws muaj zog, thiab tom qab ntawd pibgnaw ntawm ice crust.

Txoj kev tsim tawm

Lub caij sib tw feem ntau yog lub Plaub Hlis-Tsib Hlis. Lub sijhawm no, cov dawb tawg ua khub, tab sis ib tug txiv neej tuaj yeem muaj ntau tus poj niam ib zaug. Lub hare, tau xaiv qhov chaw nyob ntsiag to tom qab pob zeb lossis hauv qab tsob ntoo, khawb ib lub qhov nyob ntawd thiab kab nws nrog pluab thiab nyom. Lub sijhawm nruab nrab ntawm tus poj niam cev xeeb tub yog 36-42 hnub. Qhov ze rau sab qaum teb, tom qab cov hares yug.

Feem ntau muaj plaub mus rau yim tus menyuam mos hauv ib lub litter, txhua qhov hnyav 56-113 grams. Lawv yug los twb pom lawm, thiab lawv lub cev yog cov plaub hau grey-xim av. Tsuas yog ob peb feeb tom qab yug me nyuam, cov me nyuam tseem muaj peev xwm dhia tau. Ob lub lis piam hares ua ywj siab thiab tsis xav tau niam ntau. Thaum lub Cuaj Hli, lawv zoo li lawv niam lawv txiv, thiab lub caij tom ntej lawv pib yug me nyuam.

Txoj kev coj cwj pwm

Hmoov tsis zoo, qhov no ntawm hare lub neej tau kawm ntau dua piv rau nws cov txheeb ze. Nws paub tseeb tias Arctic hare yog ib qho tsiaj nocturnal thiab twilight. Nws tsis hibernate nyob rau lub caij ntuj no, vim nws zam qhov kub tsis zoo vim cov plaub hau tuab thiab qhov sib piv qis ntawm thaj tsam thiab ntim ntawm nws lub cev. Nws yog ua tsaug rau qhov no feature uas hare lub cev tswj kom them nyiaj rau lub slowdown nyob rau hauv basal metabolism.

Nyob rau hauv qhov tshwj xeeb tshaj yog huab cua txias, hares nkaum qab pob zeb lossis hauv cov minks. Lawv nyob hauv cov cheeb tsam me me, yog li nrhiav zaub movtawm mus rau tib txoj kev. Kev khiav tawm ntawm cov tsiaj nyeg, cov tsiaj no tuaj yeem sib tw ntawm 60 km / h.