Chifukwa chiyani kangaroo amafunika thumba.
Kangaroo ndiye woimira odziwika kwambiri wa marsupials. Amakhala ku Australia kokha. Anthu ambiri, makamaka ana, ali ndi chidwi - chifukwa nyamayi ikafuna thumba lake, ndi chiyani?
Poyamba, chikwamacho chinali chachimuna ndi chachikazi cha kangaroo. Koma popita nthawi, kwa amuna, adadzawonongeka (kusowa) chifukwa chachabechabe, ndipo anyamata amakono a kangaroo ali kale ndi mafupa apadera achikazi omwe adachitikira. Ndipo akazi anali ndi chikwamacho.
Chikwama ndi chofunikira kuti nyama izi ziziteteza ana awo .. Kungobadwa kumene khanda la kangaroo, lobisidwa bwino mchikwama kuchokera ku kutentha kwambiri ndi nyama zolusa, limakula ndikukula msanga.
Nthawi yonseyi, mayi wa kangaroo amanyamula mwana wake nthawi zonse. Pakutha miyezi isanu ndi umodzi ya moyo, khandalo limatha kukwawa kutuluka m'thumba, ndipo pakatha miyezi isanu ndi itatu limayamba kuyima palokha.
Kodi amakhala kuti?
Anthu ambiri okhala ku Australia amakhala ku Australia. Mitundu ina imapezeka ku New Guinea, ina ku South America, ndipo a phenum amakhala ku North America.
Kangaroo chachikazi chimakhala ndi chikwama pamimba yake. Amafunikira chifukwa kapangidwe kake ka mkati mwake sikulola kudziwitsa mwanawo. Pambuyo pobadwa, kangaroo yaying'ono, ya sentimita itatu, wakhungu ndi wamaliseche, imasuntha m'mimba mwa amayi ake kupita pakhomo la thumba. Akaberekako kwa miyezi ina 7, amadya mkaka wa mayi, mpaka atakwanitse yekha. Mosiyana ndi zomwe ambiri amakhulupirira - Amuna alibe chikwama.
Kodi ndi amayi ati omwe ali ndi chikwama cham'mimba?
Pali nyama zambiri zam'nyanja: pali mitundu 270 ya iyo. Koala amakhala mu nthambi zamitengo ndipo amafunikira thumba pamimba yake ngati kangaroo kuti mwana abadwe pang'ono. Atabadwa, anawo amapeza nipple, ndipo atatuluka m'thumba, amakwera kumbuyo kwa amayi. Kuphatikiza apo, ngati pali ana ambiri, ndiye kuti amakwera mwakukula.
Mdierekezi wa Tasmanian amadyetsa zam'nyanja; Komanso ndiwosambira kwambiri. The phenum ilibe thumba lenileni, koma kumangokhala khungu lokha kuzungulira ma tezi a mammary. Ana akewo atakula kale, amakhazikika mu chisa kapena kumbuyo kwa amayi.
Mfuti, ikudzipangira dzenje, ikakumbira ngalande zazitali, ndipo khomo la thumba lachikazi ili pansi pamimba - kuti dziko lapansi lisalowe mkati.
Panjira yopita ku "chikwama" ...
Dzinalo la nyamayi ili ndi mbiri yake. Anthu a ku Europe atabwera ku Australia ndipo maso awo akuwoneka ndi nyama zodumpha, anafunsa anthu amtunduwo kuti ndi nyama yanji. Poyankha, adamva: "Kangaroo," chomwe m'chinenedwe cha kwawo chimatanthawuza "Sitikumvetsa." Alendo adasankha kusinthitsa nyamayo - kangaroo.
Kuphatikiza pa kangaroo akuyenda akulumpha, chidwi cha anthu aku Europe adakopeka ndi chikwama chomwe chinali pamimba pawo. Adapangira kuti asapinduliremo chakudya, koma kuti aberekemo ana ambiri.
Chowonadi ndi chakuti kangaroo amabadwa ochepa kwambiri komanso opanda thandizo. Ndi kubadwa kwa dziko lapansi, amayeza magalamu ochepa chabe, alibe ubweya, saona ndipo samamva kalikonse. Koma atangobereka, amawonekera m'mimba mwa amayi ake mthumba mwake. Kangaroo akuwonetsa njira yoyenera ya mwanayo, ndikunyambita kamtunda kakang'ono - njira yayifupi kwambiri - kuthumba lake.
Malo otetezeka
Akakhala kunyumba yawo yatsopano, nthawi yomweyo amakwawa kupita kunsonga ya amayi, yomwe ili mchikwama chachikopa ichi. Kangaroos amakhala miyezi ingapo m'thumba asanakhaleko mphamvu. Apa ndi otentha komanso otetezeka. Ali ndi malo aufulu ambiri. Chifukwa chake, ngakhale anawo atatha kusuntha payekha ndikudyako, iye amabisabe m'nyumba mwake kuti asawonongeke.
Kangaroo yaying'ono imakhala m'thumba la amayi ake kuyambira masiku 65 mpaka 80, ndipo mwinanso zochulukirapo. Kangaroo wokhwima safuna kuchoka wokha. "Amatuluka" nthawi ndi nthawi, koma kenako amathamangira kwa amayi. Nthawi zambiri, chinthu chimodzi chomwe chimachitika ndichakuti mayi wa kangaroo amakhala ndi ana atatu nthawi imodzi: wamkulu amakhala wokonzekera moyo wodziyimira payekha, koma safuna kusiya amayi ake, mwana wamba amafunikirabe mkaka wa amayi, ndipo wocheperako sanabadwe. Palibe chotsalira kwa mayi wosauka koma kukakamiza ana ake akuluakulu kuti azikhala pawokha.
Kapangidwe
Kukula kwa thupi la marsupials kumafikira 1.5 m, kulemera - 80 kg. Maonekedwe ali ndi mawonekedwe. Nyamazi zakhala ndi miyendo yam'mbuyo yolimba, mchira wautali. Kangaroo imayenda mwachangu mpaka kupitirira 12 m kutalika, kuchoka ndi miyendo yayikulu yakumbuyo. Kudziteteza, nyamazo zimenya mdaniyo mwamphamvu ndi miyendo yawo yakumbuyo, ndikumuvulaza. Kangaroos ali ndi tsitsi lakuthwa komanso lofewa. Mtundu wa tsitsi nthawi zambiri umakhala wopanda mawonekedwe.
Kuswana
Kuberekanso kumachitika kamodzi pachaka. Achichepere amabadwa osakhazikika. Atangobadwa m'chikwama, amachotsa nipples, ndikuwadyetsa mkaka wa amayi. Ng'ombe zimasiya chikwama pakatha miyezi 6-8. Kutalika kwa moyo wa munthu ali, pafupifupi zaka 12.
Pazokhudzana ndi zochitika za anthu, kuphatikiza kusaka nyama zamtunduwu kuti mupeze ubweya ndi nyama zofunika, komanso chifukwa chobweretsa nyama zaku Australia ku Australia, kangaroos amafunika kutetezedwa.