Canada dabbar beaver: size, abinci, mazauninsu da kuma bayanin. Canada dabbar beaver a Rasha

Canada dabbar beaver - a Semi-na cikin ruwa dabbobi masu shayarwa na zuwa domin hakori. Su ne na biyu mafi girma rodent. Bugu da kari, da Kanad dabbar beaver - da unofficial alama ce Canada.

iri beavers

Don kwanan wata, wanda akwai iri biyu: Kanad dabbar beaver, kogin Otter (Turai). Tsakãninsu, su ne sosai irin wannan, sai dai cewa na farko bit more. Da zarar sun yada a fadin Turai, North America da kuma Asia, amma a yau da yawan da ya ki muhimmanci. Wannan zargi da mutumin wanda ya shirya da farauta na wadannan dabbobi saboda su Jawo da nama.

Bambance-bambance tsakanin Canada da Turai dabbar beaver

Duka wakilin jinsunan duba sosai kama, ko da yake Eurasian ne manyan. Shi yana da girma da kuma kasa zagaye kai, muzzle yayin gajeriyar. Har ila yau, da wutsiya riga, da kuma kasa undercoat. Bugu da kari, Eurasian guntu wata gabar jiki, sabili da haka, ya kasance da wani sharri tafi a kan su Hind kafafu.

Kusan 70% na al'ada dabbar beaver ruwan kasa ko haske-kasa-kasa launi na Jawo, shi ne 20% Red, 8% da duhu Brown launi, da kuma kawai 4% na baki Jawo. Rabin Canadian beavers haske launin ruwan kasa fata sautin, 25% na shi ne ruwan kasa da 5% baki inuwa.

A wani talakawa dabbar beaver hanci kasusuwa ne ya fi tsayi, kuma a cikin triangular siffar da kafafen hancinsa, yayin da Canadians da triangular takware. Turawa da tsuliya gland ne ya fi girma. Bugu da kari, akwai bambance-bambance a cikin launi da kuma Jawo.

Bayan maimaita yunkurin haye American kuma Eurasian namiji mace, mace ko ba da ciki, ta haifi matattu jariran. Mafi m, ba shi yiwuwa su interspecies kiwo. Tsakanin wadannan al'ummu ba kawai a yankin shãmaki, amma kuma wani bambanci a cikin DNA.

Bugu da kari ga waje da bambance-bambance, data daga biyu membobin wannan iyali, akwai bambance-bambance a cikin yawan chromosomes. Saboda haka, Kanad beavers arba'in chromosomes a cikin al'ada chromosome lambar 48. Various ne cikin hanyar wani gaza mararraba data daga daban-daban nahiyoyi.

Wani bambanci tsakanin dabbar beaver za a iya daukan wani bala'i: Canadian dabbar beaver gina madatsar ruwa ne ba, shi halitta mai babbar plotinischi idan aka kwatanta da gine-gine na ɗan'uwansa daga Turai. Irin Tsarin za a iya miƙa zuwa tsawon na dama da ɗari mita. Saboda yau da Kanad dabbar beaver a Rasha rayayye populate yankuna na wa gininsu halin canza yanayi. A sakamakon dam a kan kewaye yankin sa ambaliya, da kuma abin da ke ban sha'awa: karami haye ƙasa suka zauna, da mafi m sashi na tasiri! Sun canja cikar koguna da duk tarzomar matsalolin muhalli. Bugu da kari, Kanad Vandals "yanka" located kusa da gandun daji, da kuma sun samar da bakinta kuma su ne kullum mafi muhimmanci muhalli factor. Bugu da kari, da beavers daga nan kusa gonaki da kuma jihar gonaki da kuma sata cikin girbi, kuma akwai sha musantawa a kowane hanya.

baza

Canada dabbar beaver da aka samu a Alaska (North America), fãce arewacin, arewa maso gabashin da kuma gabashin ƙasar. a Canada. a Amurka kusan ko'ina, a cikin Bugu da kari a Florida, babban ɓangare na Nevada kuma California. a arewacin Mexico. An kuma gabatar da Scandinavian kasashen. Daga Finland shiga Leningrad yankin da kuma Karelia. Da aka gabatar a Sakhalin da Kamchatka, kuma a cikin Amur tasa.

hanyar rayuwa

Da hanyar rayuwa shi ne kama da cewa na Eurasian. Canada dabbar beaver ne aiki kuma da dare, amma wani lokacin bayyana a cikin rãna, kuma wani lokacin motsa daga ruwa. Dabbobi ban mamaki nutse kuma iyo a karkashin ruwa da kuma na iya zama har zuwa minti goma sha biyar. Beavers rayuwa a cikin iyalai na zuwa takwas mutane - wani biyu daga iyaye da kuma 'ya'yanta. Juveniles zauna tare da iyayensu har zuwa shekaru biyu. Iyalai ko da yaushe yankin da kuma kare su ƙasar daga cikin sauran dabbobi.

Plot iyakoki labeled dabbar beaver jet (m tsuliya gland), wanda aka yi amfani da su da mounds na silt da laka. Lokacin da hatsarin dabbobi buga wutsiya a kan ruwa, ta haka ne ba ƙararrawa. Kamar yadda Eurasians rayuwa a cikin bukkoki wanda aka gina daga sandunansu, oiled duniya da laka. Daga lodges ne wurare a karkashin ruwa. a cikin abin da kasa da aka rufe da haushi, itace kwakwalwan kwamfuta da ciyawa. Canada dabbar beaver burrows settles yawa kasa da ta Eurasian dan uwan. Don tsara da kwarara kudi da kuma ruwa matakin da shi ya gina a kan waɗansu kõguna dam rassan, rajistan ayyukan, laka, da duwatsu, lãka. Canadians domin su fice yi damar.

haifuwa

Yawancin lokaci, beavers rayuwa a cikin iyalai kunshi mata da maza, kazalika da suka gabata da kuma na yanzu shekaru matasa. kiwo kakar a mafi wurare - Janairu-Fabrairu. zurriyar baya shekara, wanda shi ne a cikin wannan lokaci a kusa da shekaru biyu da shekaru, da mallaka da aka kuranye don neman mafaka da sauran wurare, kazalika da ta biyu.

A gestation zamani ne 107 kwanaki, da kuma 'ya'ya maza na dan lokaci, ya koma wani musamman rami har zuwa haihuwa da zuriyarsu a cikin lokaci daga watan Afrilu zuwa Yuni. Haife yi daukan sanya 'yan kwanaki, yafi a cikin haske ya bayyana wa 5 dabbar beaver. Kids rufe gaba daya da gashi, suna da m masu saro, idanu bude. Just haife, bobryata riga zare jiki ya shiga cikin ruwa domin su iya iyo tun da aka kafa ta. Ainihin adadin manya monogamous, biyu za su iya karya kawai tare da mutuwar wani abokin tarayya.

abinci

Canada ko North American, dabbar beaver ci kawai ganyayyaki na abinci. Suka ciyar a kan wadannan dabbobi harbe da haushi bishiyoyi, zaba Willow, Aspen, Birch da poplar. Bugu da kari, cin abinci da kuma dukan herbaceous shuke-shuke (a butar, Lily, cattail, Iris, kyauro, da dai sauransu, Up zuwa ɗari uku lakabi). A babbar yawan itatuwa softwood - a bukata kafun ga mazauninsu. Linden, Hazel, ceri, Elm da sauran itatuwa a su rage cin abinci ne na sakandare muhimmancin. Oak da alder, ba su ci a wannan lokaci nemi su gine-gine. A kullum adadin abinci ne har zuwa daya cikin biyar na nauyi na dabba. Iko cizo da manyan hakora ba da damar beavers saukin jimre wa m abinci shuka.

A lokacin rani, da rage cin abinci beavers raba herbaceous forage ƙaruwa. A wannan fall da suka tsunduma a shirye-shiryen abinci a kan sanyi. Hannun jari da suka sa a cikin ruwa, inda suka sami damar Fabrairu adana su muhimmanci da sinadirai masu halaye. Domin ciyar a cikin kankara ba to daskare, beavers Scotland shi a karkashin overhanging m bankunan kasa da ruwa matakin. Saboda haka ko da bayan wani misãlin kandami abinci rage samuwa a karkashin m kankara.

ƙarfi

Canada dabbar beaver, sabanin da Eurasian, wanda ya kusan gama yanke, sha wahala da yawa kasa. An ba da wani kare jinsin da shi da dangantaka. ta yawan kai miliyan 15 mutane, amma kafin a fara mulkin mallaka a Amurka ta Arewa, akwai fiye da sau goma. Wadannan dabbobi da aka farauta baje don samar da nama da Jawo, kuma shi ne farkon karni na sha tara ya jagoranci wani m rage su halitta mazauninsu. Sa'an nan, godiya ga dawo da kuma kiyayewa ayyuka, su total number ya girma muhimmanci.

Man da kuma dabbar beaver

Don kwanan wata, Kanad dabbar beaver a wasu jihohin da ake gani a matsayin musamman cutarwa dabbobi kamar wadannan dabbobi gina madatsar ruwan ya kai ga ambaliya na yankin. Duk da haka, su yi aiki ne iya hallakar da ciyayi tare da bankuna. Ko da yake a general da Beavers da mai kyau tasiri a kan gabar teku da kuma na cikin ruwa habitats, samar da yanayi na ci gaba da daban-daban kwayoyin.

Dabbar beaver ne kasa dabba na Canada. Ya ne wanda aka nuna a kan tsabar kudi na 5 aninai. Bugu da kari, shi ne wata alama ce New York da kuma Oregon, kazalika da aka nuna a kan posters California da kuma Massachusetts Cibiyar Harkokin Fasaha.

Shub: Canadian dabbar beaver

Wannan gashi ya dade da aka nuna godiya a Rasha. Wannan sigar musamman Fluffy, taushi da kuma sosai dumi Jawo. Da ciwon musamman undercoat, yana da kyau dace domin Rasha sauyin yanayi yanayi da kuma shi ne iya kare kan kowane weather. Irin wannan gashi na ingancin safa (an dauke daya daga cikin babban sharudda a matsayi na m furs) ta fi gaban ko Burrow. Bugu da kari, da dabbar beaver ba ji tsoron danshi, kuma shi yana daga cikin furs ne mai babbar rarity. Shi ne kuma a karkashin rigar snow kawai samun Fluffy.

Wannan Jawo ne ba da mafi sauki. Exclusive kuma, sabili da haka, dauke su mafi tsada Jawo plucking. vyschipa fasahar ne a kayan ado-cinyewa tsari, wanda ƙwarai qara kudin na Jawo, yayin yin shi musamman airy da kuma haske. A takarda amfani kawai dukan konkoma karãtunsa fãtun na matasa dabbobi. Ga kowane abu da launi kewayon aka zaba akayi daban-daban. Wani lokaci yana iya daukar wani shekara. Ko da yake sakamakon wannan, shi ya zama mai real hoto na jitu launi gamut, iridescent halitta tabarau daga haske zuwa duhu.

ban sha'awa facts

• Duk da yake hotuna lebur dabbar beaver wutsiya ne mai real dabba filafili.
• Dabbar beaver an dauki mafi girma na biyu (bayan capybara) hakori da rai a yanzu.
• Lokacin da gaggawa halin da ake ciki da ƙarfi mare ta wutsiya a kan ruwa domin ya hana su dangi.
• The dabba yana webbed ƙafafunsa, abin da ya sa shi mai kyau wasan ninkaya.
• Dabbar beaver karkashin ruwa zai iya zama for minti goma sha biyar.