Rasha Desman: description, ban sha'awa da kuma facts hotuna

Rasha Desman - mai ban mamaki dabba, dadi ji a duniya domin kan miliyan 30 da shekaru. Kamar yadda a baya, kuma a yau, bayyanar da kogin dabba mai kama da karamin bera da kuma na ga iyali na mole na da ikon tono mai zurfi burrows, bai canza ba.

Rasha Desman: description

All guda, kamar akwati, a dogon hanci, paws da webbed yatsunsu, laterally matsa dogon wutsiya rufe da jaraba Sikeli da aka mai girma tuki azumi da kuma m jũya. Rasha muskrat yana da kyau streamlined jiki. ciki na ta azurfa-fari, baya - launin ruwan kasa. Wannan launi sa dabba kusan ganuwa a cikin ruwa, dace ɓadda a matsayin yanayi. Ulu ne lokacin farin ciki isa, kuma ba sa rigar, kamar yadda dabba ta yin amfani da Hind kafafu lubricates Musk musamman samar, located a tushe na wutsiya gland. Vision a Rasha Desman ya ba ci gaba, da rashin cikakken rama domin kyau kwarai ji na wari. Ji daga Desman ko da yake da raya, amma yana da wasu peculiarities. Yana iya gaba daya watsi da mutane magana, amma flinch a wata 'yar alamar fantsama na ruwa, hrustnuvshey underfoot twig, da rustle na busasshiyar ciyawa.

Nora - Rasha Desman fi so wuraren

Rasha muskrat, fifita zuwa rayuwa mai shiru da kwarara sarari (tabkuna da kuma creeks), Yana son su haƙa ramummuka, hadaddun da dogon (a kan mita 10). A dadi, an rufe shi da gandun daji ciyayi, da bankunan shirya dukan Maze na karkashin kasa tunnels, entrances aka boye a karkashin wani Layer na ruwa. A cikin fall na ruwa matakin na dabba da aka tilasta su mika karkashin kasa sassa, sake musu jagaba a karkashin surface na kogin. Har ila yau, Rasha muskrat sa short rami tare da jam'iyya da kuma rigar zuriyar dabbobi inda hunturu replenishes iska wadata a lokacin da motsi a karkashin kankara. Amma, da kamara a cikin burrows bauta ga sauran da abinci.

A Rasha muskrat ciyarwa

Abinci for hohuli (haka ƙauna kira Rasha muskrat a Rasha) a cikin bazara, lokacin rani da kuma kaka lokaci ne leeches, crustaceans, na cikin ruwa kwari da su larvae, fadama shuke-shuke. A cikin hunturu, da Rasha muskrat ba bari kangararre rana, rashin kananan kifi, bivalves. A burrows wani lokacin tara tara abinci scraps - daidai da abin da kuke bukata da kuma kananan dabbobi: abinci isar da wani m kandami da dadi wurin zama ramukan. Wani lokaci ingested kullum nauyi daidaita da taro na dabba.

Kula da zũriyarmu

Zuriyya (daga daya zuwa biyar yara) muskrat iya kai sau biyu, a wannan shekarar. Young, wanda nauyi ba ya wuce 3.2 grams kyankyasar kwan kankanin makafi, kuma tsirara. Duk da haka, bayan makonni biyu da su jiki riga an rufe shi da dankon. 23-24 rana, uwar fara sanar da su tare da duniya. A cikin watan a cikin dabbobi teething, suna kokarin kwari larvae da Shellfish nama. Ya taimaka mace, ban mamaki da kuma kula uwa don kula da zuriya daga uba. Idan manya bar Burrow, da yara a wannan yanayin, a hankali rufe da "bargo" na shuke-shuke. Lokacin da na gabatowa hadari uwa a kan mayar da gaba da yara a cikin wani more m wuri. Domin 7-8 watanni da girma da zũriyarta zama m da kuma bar gida.

Hadari a kowane bi da bi

Lifespan muskrat ne game da 5 shekaru, da sharadin cewa shi ba ya rage waje dalilai. Wannan na iya zama m hunturu ascents na ruwa, cika wani rami, a cikin abin da dukan iyalin za a iya kashe shi. Tsira mutane tilasta musu gudu zuwa splavinah ko gaggawa digging wucin gadi burrows a lafiya wurare. Muskrat, bã tãre da na halitta tsari, shi ne a kan tunani, abin da ya sa shi damar zuwa predatory tsuntsaye, rekun karnuka, Foxes, m berayen da mink. Wannan spring muskrat koma nan kusa jikin ruwa, canja saba mazauninsu, ta ke neman nisa (kalla 5-6 km daga tsohon gida).

A ruwa Rasha muskrat jiran hadari daga perch, Pike, catfish da kuma manyan kogin perch. A bushe bazara dabba iya tsayawa ba da dogon miƙa mulki ga wani mafi m wuri kuma ya halaka a kan hanya. Ko da a cikin nasa rami akwai hadari na fama da hooves daji na shanu, sauƙi tareda žata located a farfajiya na rami.

Laraba muskrat mazauninsu nasarar raba tare da beavers, wani lokacin shan amfani da su ramuka da burrows. Dangantakar waɗannan dabbobi a fili gani girmama juna. Akwai aka ma gani da cewa muskrat dabbar beaver haura zuwa sauran a baya cewa karshen sha wahala a asirce.

Dubi Rasha Desman

Mutane da yawa suna sha'awar a cikin m kama Rasha muskrat, kamar yadda gani da ido tsirara ne da wuya isasshen: ita sosai da hankali da kuma pokes ta hanci a kan surface na ruwa (numfashi) da sassafe, ko da maraice. An Rufe hanyar rayuwa na dabba ba ya bayar da cikakken damar shiga ta asirin, ko ta yaya mai girma iya zama son zuciyarsa. Yana da matukar wuya a ƙayyade daidai inda Rasha muskrat zaune. Ban sha'awa facts gani da makiyaya: a cikin wurare na ramukan da dabba shanu ki sha ruwan. Na zama muskrat Burrow samar da naci musky wari, saboda wanda har cikin tsakiyar karni 17th shi aka mined da dabba. A Rasha, da bushe-tailed muskrat canja a cikin kirji tufafi, daga baya da m Musk gland fara da za a yi amfani da turare masana'antu a matsayin fixative wari da tsada turare. Barnatar da tasiri a kan wanzuwar muskrat m doka kama kifi tare da yin amfani da karfe, sarƙoƙi da "elektrosachkov", wanda ya hallaka ba kawai kifi, amma kuma cikin ruwa kwaro - da babban abinci da muskrats.

Farautar - asali Hazard zuwa cikin ruwa da dabbobi

M Jawo Rasha Desman ya haddasa farautar a cikin dabba da bakin ciki hanyar shafa ta lambobi. A 1835 da adalci a Nizhny Novgorod aka fitar dashi 100 000 konkoma karãtunsa fãtun wannan dabba, a 1913 - 60 000. Predation kogin dabbobi ya faru a kan ƙarni, don haka a yau Rasha Desman (Red Littafi tabbatar da wannan hujja) da aka samu kawai a cikin 'yan wuraren da ayyana kare yankunan. Yana Ural River Basin, da Don, da Volga, ko kuma wajen wasu daga cikin shafukan. A lokacin, bisa ga gwani yi kiyasin yawan Rasha Desman ne game da 35 000 mutane.

adam, ayyukan mutane ma sa wani karu a yawan dabbobi. Wannan deforestation, gina ruwa daruna kashe bakin tekun - 'yan asalin mazauninsu muskrat, kogin ruwa gurbatawa da masana'antu sharar gida, magudanun ruwa. Ko talakawa mutum gaban a kan kandami ne dalilin da ya sa kai ji m Rasha muskrat. The Red Littafi na Rasha da kuma Ukraine a kan shafukan rubuce na yanzu matsalar na yawan Rasha muskrat domin ceto da kuma adana wanda aka halicce su da musamman reserves: Hopersky, Oka, Klyazma.