M dabbobi: Przewalski doki

Przewalski ta doki ne kawai kiyaye su a cikin duniya view of cikin daji dawakai. Na dogon lokaci aka mai da su cikin magabatan na gida breeds da dawakai, duk da haka, wannan zato ba daidai ba ne. A gene matakin, suna da gagarumin bambance-bambance: Przewalski doki chromosome 66, maimakon 64 kamar yadda a cikin gida doki. Kamar yadda ya juya waje, shi ne asalin gida breeds sauran dabbobin daji - yanzu dadaddun daji dawakai. Kuma zuwa ga mafi kusa zumunta na Przewalski doki za a iya dangana Kulan - Asian ass.

description doki

Wannan dabba nasa ne a m jinsunan dawakai, domin ban da halayyar fasali na doki, kuma ya rike wasu daga cikin siffofin na jaki. Height Przheval'skiy doki Averages 120-135 cm, nauyi na 200 zuwa 350 kg, ulu yellowish ja, da kuma mane, wutsiya, da kuma "safa" - launin ruwan kasa-baki. A tsakiyar baya gudanar da wani duhu stripe. Daga cikin gida da dawakai, su ne mafi m tsarin mulki, da karfi wuyansa wajen takaice, quite takaice kafafu. Head a wannan manyan dabbobi kamar jaki, da kuma kunnuwa, a akasin haka, kananan. All cikin daji dawakai akwai tsaye m mane ba tare da bangs.

By da hunturu gashi a Przewalski dawakai na zama da kauri da kuma shaggy, kuma a lokacin rani - takaice. Ya taimaka dabbobi don tsira a cikin matsananci winters sharply nahiyar sauyin yanayi.

labarin

Przewalski ta doki da aka samu da kuma gyarawa a matsayin nau'in a Asiya ta tsakiya kusa Lop Kuma a 1879, matafiyi kuma Explorer Nikolai Przewalski. Ya kawo tare da shi daga cikin tafiya na uku da matasa fata na dabba. Masana kimiyya sun tabbatar da gagarumin bambanci tsakanin wannan daji doki daga duk m nau'in.

A cikin tsohon kwana akwai iri biyu na Eurasian daji doki - daji dawakai, da Przewalski ta doki. petroglyphs depicting dabbobin daji da aka samu, wanda a cikin bayyanar ne sosai kama da Przewalski dawakai. Saboda haka sosai m cewa daji doki yana ta zama tun da Paleolithic lokaci a Turai.

Mazauninsu da halaye

A yanayi, da Przewalski doki ke nomadic garke na 5-12 dabbobi. Babban daya ne wani gogaggen ingarma wanda take kaiwa da shanu a search na abinci da kuma ruwa. Wild dawakai ne sosai Hardy, kuma undemanding. Su matsawa a trot ko kananan mataki, amma a yanayin saukan hatsarin gudu up to 60 km / h.

Babban rage cin abinci na Przewalski dawakai - daji ciyawa da shrubs. A cikin hunturu, da dabbobi hooves tono har da ciyawa da kuma shrubs daga snow.

Horses Przewalski ta kawai halitta makiya - Wolves, a shirya cewa farmaki wani garke na dawakai, da kore da kuma hana rauni dabbobi ko wani Mare da foal. Amma da dawakai suna iya kare kansu tare da taimakon hooves darkãke. Suna shirya a cikin da'irar ciki wanda akwai foals shugabannin tura ciki cikin da'irar da kuma karfi harbawa ta Hind kafafu daga maharan. Haka kuma, rufi har a wani da'irar, waɗannan dabbobi ne ma mai tsanani da kuma distilled kashe pesky kwari, yayin da a cikin cibiyar ne ko da yaushe matasa da kuma sako-sako da dawakai.

haifuwa

Ma'abota a yanayi har spring zo. Ingarma hankali da matsara ya garke daga m hammayarsu, kuma nan da nan ya shagaltar da su da yaƙi idan ya cancanta. Pregnancy yana game da wani shekara. Kawai da wadannan spring da mace ya haifa daya foal.

All foals haife haka da raya cewa 'yan sa'o'i bayan haihuwa iya bi mahaifiyarsa. Watanni shida Mare ciyarwar da jariri da ta madara. A gaba daya m matasa dawakai ne a kusa da shekaru uku.

kiwo dawakai

Babban abokin gaba da waɗannan dabbobi tabbatar da mutumin da ya koro su daga halitta mazauninsu da tattalin arziki da ayyukan, ko kuma kawai halakar da zaman lafiya dabbobi a lokacin farauta. A sakamakon haka, domin shekaru 60 na karni na karshe, da Przewalski doki ya bace gaba daya daga cikin daji. A wasu yawan su tsira kawai a zoos da kasa Parks Askania Nova (Ukraine). Bayan da yawa wuya aikin, mararraba, game da wani samari ɗari dabbobi da aka saki a cikin ajiye Hustai-Nur a Mongolia.

A shekaru 90 a matsayin gwaji uku na shanu da aka bayar ga wariya zone, wanda ya tashi bayan da chernobyl masifa. Horses ya zama rayayye radiyo, babu maye gurbi da kwayoyin bambancin da aka samu. Jihar na da yawan jama'a na daji dawakai ana cigaba da sanya idanu. Masana kimiyya yi imani da cewa su iya mayar da su lambobi a kan lokaci Przewalski doki.