Kungani i-kangaroo idinga isikhwama.
I-Kangaroo ingummeleli owaziwa kakhulu wama-marsupials. Bahlala e-Australia kuphela. Abantu abaningi, futhi ikakhulukazi izingane, banesifiso - kungani lesi silwane sidinga isikhwama saso, sisisebenzelani?
Kuqala, isikhwama besikhona kwabesilisa nabesilisa abesilisa abangama-kangaroo. Kepha ngokuqhubeka kwesikhathi, emadodeni, yahlakazeka (yanyamalala) ngenxa yokungasebenzi, futhi abafana banamuhla be-kangaroo vele banamathambo akhethekile we-femur lapho babebanjwa khona. Nezinsikazi zazisenaso isikhwama.
Isikhwama siyadingeka ukuze lezi zilwane zivikele izingane zazo. Njengoba zisanda kuzalwa, ingane ifihla isikhwama esikhwameni kusuka ekushiseni ngokweqile nasezilwaneni ezidla inyama, ikhula futhi ikhula ngokushesha okukhulu.
Sonke lesi sikhathi, umama we-kangaroo uhlala ephetha ingane yakhe naye. Ekupheleni kwezinyanga eziyisithupha zokuphila, iwundlu lingakwazi ukukhamba esikhwameni, futhi ezinyangeni eziyi-8 selivele liqala ukuzimela.
Bahlala kuphi abashadikazi?
Iningi labashadikazi lihlala e-Australia. Ezinye izinhlobo zezilwane zivamile eNew Guinea, ezinye ziseNingizimu Melika, kanti i-phenum ihlala eNyakatho Melika.
I-kangaroo yesifazane inesikhwama esiswini sayo. Uyadingeka ngoba ukwakheka kwezitho zakhe zangaphakathi akuvumeli ukwazisa ngokuphelele i-cub. Ngemuva kokuzalwa, i-kangaroo encane, engamasentimitha amathathu, impumputhe futhi inqunu, igxuma esiswini sikanina iye ekungeneni kwesikhwama. Lapho izokhula ezinye izinyanga eziyisikhombisa, isuthise ubisi lukamama, ize ikwazi ukuphuma iyodwa. Ngokuphikisana nenkolelo ethandwayo - abesilisa abanaso isikhwama.
Yiziphi izilwane ezincelisayo ezibuye zibe nesikhwama esiswini?
Kunezilwane eziningi ezincanyana: kunezinhlobo ezingama-270 zazo. Koala Uhlala emagatsheni ezihlahla futhi udinga isikhwama esiswini sakhe njenge-kangaroo yokuzalwa kwamawundlu. Njengoba sezizelwe, amawundlu ngokwawo athola ingono, futhi lapho esephumile esikhwameni, agibela emhlane kamama. Ngaphezu kwalokho, uma kukhona amawundlu amaningi, khona-ke akhuphuka ngobukhulu.
UDeveli kaTasmanian uyisisulu sasemanzini; sizingela ebusuku. Ungumbhukudi omkhulu. I-phenum ayinaso isikhwama sangempela, kepha kukhona kuphela isikhumba esizungeze izindlala zezilwane ezincelisayo. Lapho amathole esevele emkhulu ngokwanele, ahlala esidlekeni noma emuva komama.
I-Wombat, izenzela umgodi, izimba imigudu emide, futhi umnyango wesikhwama kwabesifazane utholakala ngaphansi kwesisu - ukuze umhlaba ungangeni ngaphakathi.
Endleleni eya "esikhwameni" ...
Igama lalesi silwane linendaba yalo. Ngenkathi abaseYurophu beza e-Australia futhi amehlo abo ebonakala eqa izilwane ezinhle, babuza abantu bendawo ukuthi hlobo luni lwesilwane. Ekuphenduleni, bezwa: "Kangaroo," okusho ngolimi lwendawo okusho ukuthi "Asiqondi." Izivakashi zinqume ukusishisa isilwane - i-kangaroo.
Ngaphezu kwe-kangaroo ehamba ngokuxhuma, ukunaka kwabaseYurophu kwakukhangwa yisikhwama esasisesiswini sabo. Bekuhloselwe ukungezela ukudla kuwo, kodwa ukuthwala amawundlu kuwo.
Iqiniso ngukuthi ama-kangaroo azalwa amancane kakhulu futhi awasizi ngalutho. Ngokuzalwa komhlaba bakala amagremu ambalwa nje, abanaboya, ababoni noma bezwe lutho. Kepha masinyane ngemuva kokuzalwa, ugaqa esiswini sikanina ephaketheni lakhe. I-kangaroo ikhombisa indlela efanele ebangeni, ikhotha umucu omncane - indlela emfushane kakhulu - esikhwameni sayo.
Indawo ephephile
Lapho sebefikile ekhaya labo elisha, ngokushesha bakhasa baya engubeni kamama, okulesi sikhwama sesikhumba, umkhondo wabo wokudla. AmaKangaroos ahlala izinyanga ezimbalwa esikhwameni ngaphambi kokuba aqine ngokuphelele. Lapha afudumele futhi aphephile. Banesikhala esikhululekile. Ngakho-ke noma ngabe iwundlu likwazi ukuzimela ngokuzimela futhi lidle, uyaqhubeka nokucasha endlini yakhe ezingozini.
I-kangaroo encane ichitha esikhwameni sikanina kusuka ezinsukwini ezingama-65 kuye kwezingu-80, futhi ngezinye izikhathi ngisho nangaphezulu. I-kangaroo evuthiwe ayifuni ukushiya indawo eyodwa, efudumele nhlobo. "Uphuma" ngezikhathi ezithile, kodwa abuyele kuye mama. Imvamisa, into eyodwa eyenzekayo ukuthi umama we-kangaroo uthwala izizukulwane ezintathu zezingane zakhe ngasikhathi sinye: umuntu omdala usevele esekulungele impilo yokuzimela, kepha akafuni ukushiya umama wakhe, umntwana ojwayelekile usadinga ubisi lukamama, kanti omncane kakhulu akakakazalwa. Akukho okusalayo kumama ohluphekayo ngaphandle kokuphoqa inzalo yakhe endala ukuthi iphilele inkululeko.
Isakhiwo
Ubukhulu bomzimba we-marsupials bufika ku-1.5 m, isisindo - 80 kg. Ukubukeka kunezici zobuntu. Lezi zilwane zithuthukise imilenze enamandla yangemuva, umsila omude. I-kangaroo isuka ngokushesha ifinyelela kumamitha ayi-12 ubude, ibaleka imilenze emikhulu yangasemva. Ukuzivikela, izilwane zishaya isitha ngamandla ngemilenze yazo yangemuva, zamlimaza kabi. Ama-kangaroo anezinwele ezinde futhi ezithambile. Umbala wezinwele uvame ukuba monophonic, uvame ukungabala.
Ukuzala
Ukuzala kabusha kwenzeka kanye ngonyaka. Abancane bazalwa bekhula ngaphansi. Masinyane ngemuva kokuzalwa esikhwameni, zimiswa kusuka ezingonyameni, bese zondliwa ubisi lukamama. Ama-Cube ashiya isikhwama ngemuva kwezinyanga ezingama-6-8. Isikhathi sokuphila komuntu, ngokwesilinganiso, siyiminyaka eyi-12.
Mayelana nemisebenzi yabantu, kufaka phakathi ukuzingela lezinhlobo zezilwane zasekhaya ngenhloso yokuthola uboya nenyama ebalulekile, futhi ngenxa yokwazisa kwezilwane ezincelisayo ezise-Australia, ama-kangaroo adinga ukuvikelwa.