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Kodi njati? Pa zimene Africa, mu dziko chiyani?

Ngakhale basi, kuchokera pamaso pa nyama zimenezi mantha ndipo umadutsa kunthunthumira thupi. Izi ndi njati yaikulu. Ancient Indians wowerengedwa mwa nyama zimenezi ndi opatulika. Chiwerengero cha lero ambiri. Izi nyama zokhala zamphamvu zimene akukhala kumene njati (zomwe zone ya dziko), mbali ake tingawapeze m'nkhani ino. Iwo kusiyana ndi kukula kwake ndi n'zosadabwitsa lalikulu buku ndi kukula kwa thupi chachikulu. Iwo ali ofanana mu maonekedwe ndi njati lapansi. Ngakhale ndi zamakono intersect mzake m'chilengedwe, kugwirizana ndi iwo amaphatikizidwa mu mtundu wina.

mafotokozedwe

Kodi njati, kontinenti imene anthu nyama zimenezi n'zosadabwitsa lalikulu?
Musanayambe tipeze yankho, tiyeni tione zimene iwo ali.

Njati ali chodabwitsa maso miyeso: kutalika pa zinafota - mpaka mamita 2, kutalika - mpaka mamita 3. Kulemera kwa amuna pafupifupi 1.2 matani. Awa ndi yaikulu nyama. Akazi njati, ngati zinyama zambiri kwambiri poyerekeza ndi achibale wamwamuna. thupi lawo pafupifupi 700 makilogalamu. Yokutidwa ndi wandiweyani tsitsi njati thupi ndi imvi ndi kulocha brownish. Chekeni iwo akhoza zimasiyana kuwala kofiira kuti malankhulidwe woderapo ndipo pafupifupi wakuda. ng'ombe Young amabadwa ndi chikasu odula mtundu, koma darkens pa nthawi. Kuwala (zimakhala zoyera) mtundu njati n'zochepa.

Chovala ndi wautali ndi mdima pa njati pachifuwa pake, mutu wake ndi ndevu zake, ndi onse a iwo ali wamfupi kusiyana thupi. Mbali imeneyi amapereka maonekedwe a nyama ndi buku wamkulu wa groznost.

mutu wake njati chachikulu ndithu, ndi mphumi chachikulu. Pamavuto ndi lalifupi nyanga, diverging ku mbali pa tsinde la kumutu, malekezero ndi ndichotse mkati. Nyama imeneyi ndi lopapatiza yaing'ono makutu, lalifupi khosi ndi chachikulu, chachikulu maso mdima.

Kwambiri khalidwe mbali ya kapangidwe ndi zachilendo njati hump, limene lili nape ake.

ndi njati amachita kuti?

Africa kuti ali kunyumba kwa njati - North America. Iwo kalekale njati (kapena njati) okhala pafupifupi onse a North America. Koma lero anthu amenewa alipo yekha m'madera a kumpoto ndi kumadzulo kwa distilikiti. Missouri.

manambala ochepa anali nkhuni njati anthu. Mbalame moyo makamaka kutali kwambiri ndi m'madambo nkhalango mtsinje beseni Buffalo, Birch (pa Lakes Athabasca ndi Great Kapolo) ndi Mtendere.

Masiku ano, njati mwakula zamitundu yosiyanasiyana. Chiwerengero chawo 500 zikwi. mitu (makamaka zigwa njati). Pafupifupi 4,000 ranches pawekha North America ntchito kuswana awo. Kuthengo, anthu pafupifupi 30 chikwi. Anthu, ndipo iwo ali monga mitundu pafupi kutha ali m'gulu pangozi.

Species, subspecies

Chikhalidwe cha masiku ano pali subspecies awiri: nkhalango (nkhalango ng'ombe) ndi steppe. Amasiyana pa chivundikiro ubweya ndi mbali ya kapangidwe thupi. ndi kumene njati za mtundu? Ndipo mmene pyasiyana?

Steppe njati - ndi lalikulu hoofed nyama, masekeli mpaka makilogalamu 700. Iye ali pang'ono zing'onozing'ono kukula ndi kulemera kuposa nkhalango. Ndithu mutu waukulu ali ndi chitsitsi yaikulu ya ubweya wakuda pakati pa nyanga zazikulu ndi yemweyo wakuda ndevu. hump wake kukwera pamwamba m'munsi mwa miyendo kutsogolo. Imodzi mwa mbali zimasiyanitsa steppe njati - anasonyeza mmero wake, chimene chimafika pa chifuwa. Wandiweyani pelage ndi kuwala bulauni mtundu.

Wood njati, monga taonera kale, ali wamkulu ndi steppe mu kukula kwake. Koma mutu wake ndi pang'ono zing'onozing'ono ndipo anapangidwa ndi mabang'i dusky nyanga zake yaitali ndi zopyapyala. Lilinso ndi khosi achikalekale ndi hump. Auburn tsitsi nkhuni njati si wandiweyani. mwamuna kulemera zambiri kuposa makilogalamu 900. The ubweya wa mtundu uwu ndi mdima ndi otentha.

Zimapezekanso

Za mtengo njati anali woyamba analembedwa m'ma 19 mochedwa. Asayansi amakhulupirira kuti makolo awo anali wosazindikira njati.

Kodi njati? Ndipo ali moyo? Chiyambi cha mtundu uwu ndaika kamodzi ng'ombe zakutchire (anabadwa Leptobos), amene ankakhala Pliocene (za 35,000 zaka zapitazo) mu India. Masiku ano, pali amanena kuti adayala chakumpoto mu lonse steppe ndi steppe njati kusanduka.

Expanses wa njati Siberia pa ndime lapadziko zinalili pa nthawi adafika ku North America. Baibulo limeneli anaonekera mogwirizana ndi kupeza mu 1979 ku Alaska (za. Yukon) malasha toyesa wa ng'ombe uyu.

Ndipo pamene njati moyo (dziko)? Kuwonjezera Canada ndi United States, panopa akupangidwa reintroduction ya nkhalango njati American ku Alaska. mtanda yoyamba nyama 53 anabweretsedwa ku malo awa mu 2008.
Koma ngakhale achitapo kukhalabe anthu, tsogolo la njati ndi zokaikitsa. Kuopsa kwa miyoyo yawo: matenda osiyanasiyana, massively zokhudza ng'ombe, ndi kuyanjana awo ndi zigwa njati, amene ndi osafunika.

khalidwe la nyama

Kodi njati mu nyengo zosiyana? Iwo woyendayendawu. Chilimwe padziko lalikulu zigwa kumpoto, ndipo m'nyengo yozizira amasamukira kumadera kum'mwera. M'masiku amenewo, pamene adali ambiri, anali yaikulu ng'ombe mantha (anthu ambiri), agwilitse m'madera ambiri. Komanso njira za kusankha kwawo, ndipo anali kugwirizana ndi kuthirira ndi.

Mu nthawi ya migrations amenewa anali milandu kuti ng'ombe awa oletsedwa kayendedwe ka sitima, zombo ndinayima.

Ndipo kodi zinthu ndi abale awo kumene amakhala ng'ombe njati? Tinabadwa, nyama wochezeka. banja lawo bungwe ndi ofanana kwambiri ndi zizolowezi za njati. Akazi ndi amuna kunja kuswana nyengo ikuchitikira payokha. Atabadwa ng'ombe yaikazi ndi ana ake kupanga gulu, womwenso kwa anthu 30. Amuna zambiri zimadya ndekha, koma chigweranso m'chigulu yoyamba (15 anthu). Poyerekeza ndi nthawi zakale, mawonekedwe masango njati pa ziweto, wopangidwa mwa anthu mahandiredi ochepa okha.

Njati usiku pogona, koma maloto awo ndi waufupi. Msipu tsiku lonse. Ambiri, ndi bata komanso kuwapatsa nyama, koma nthawi zina (nkhawa) angakhale aukali. Ngakhale kulemera yaikulu, njati angathe liwiro lalikulu (50 km / h), ndipo pamene akuthamanga iwo zimatulutsa phokoso (snores kapena grunting).

Pomaliza

Kodi njati, ife tinapeza. Koma tikumbukire kuti nthawi kale mu expanses zedi gawo pakati pa North America, chiwerengero chawo okwana anali mamiliyoni 60. nyama.

Ndithudi, n'zosatheka kubwerera kuchuluka kuti, koma pansi zina khama wamba anthu akhoza osachepera kuletsa kuchepa kwa chiwerengero cha nyama zosowa ngakhalenso kuwonjezeka pang'ono.

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