Long-eared jerboa: description tare da hotuna

Kananan dabba tare da manyan kunnuwa, dogon Hind wata gabar jiki da kuma dogon bakin ciki-predlinnym wutsiya tare da baki da fari tassel - don haka kama dogon-eared jerboa. A dabba kama a cikin hotuna na ban dariya, da kuma a duban farko shi ne mai wuya a gane dalilin da ya sa irin wannan wuce haddi.

Long-eared jerboa: description

An ce, karo na farko da wannan m rodent aka yin fim a kan video, a 2007, mahalarta na London balaguro, a karkashin jagorancin Dr. Bailey (Zoological Society of London), amma a matsayin jinsin da aka yi karatu a daki-daki, a karni na ashirin. Daya daga cikin manufofin da balaguro a Gobi hamada da aka karatu a yanayi, dogon-eared jerboa.

A tsawon jikinsa a kalla 9 cm, wutsiya - har zuwa 17 cm, kunnuwa - 5 cm, da tsawon kafa - har zuwa 4.5 cm.

The shugaban ne m ga sauran siffofin gerbils - sandan-dimbin yawa, elongated, da karamin hancinsa (kamar aladu)

Eyes fadi baya, kananan.

Ulu ne m, m, high.

Launi: haske ja zuwa ocher a saman, a kasa na iya zama haske ga fari.

A wutsiya yana bisa dukan tsawon guda launi, a karshen goga - fari da kuma baki, ba lebur kamar sauran gerbils, kamar yadda zagaye.

A gaban kafafunsa ne kananan, su ciki kafana yana mai tsawo, mai lankwasa kambori.

Hind kafafu ne tsawo da kuma sosai kunkuntar. Biyu gefen yatsu ne takaice, a tsakiyar uku dogon. A duk yatsunsu suna ci gaba m gammaye.

Way to tafiya: na musamman kan ta Hind kafafu (kamar dabbar kangaroo). Tsalle sama zuwa uku mita.

mazauninsu

Rodent farko aka bayyana a cikin 1890 daga samfurori daga kasar Sin. Mongolian wakilan wannan jinsunan da aka samu da yawa daga baya, da farko, a 1954, da kuma riga da mahalarta na hadin gwiwa expeditions da Tarayyar Soviet da kuma Mongolia a cikin seventies na karshe karni da aka yi karatu a mafi daki-daki Mongolian dogon-eared jerboa.

Ina zaune cikin rodent? Ransa da aka kashe a cikin Gobi hamada, kunsha na sarkar na kananan hermitage dake a cikin yankuna na Mongolia da kuma China.

Wannan hamada sauyin yanayi sharply nahiyar - hunturu zuwa debe 55 zuwa da bazara 58. The zazzabi bambanci, ta haka shi ne 113 darajõji (idan aka kwatanta da sanyi iyakacin duniya na wani Oimyakon kasa - 112 digiri).

Kowace daga cikin daban-daban abun da ke ciki na kasar gona na Hamada (daga stony tudu zuwa yashi dunes), gaban ciyayi (daga matalauta - rare bushes haloxylon zuwa makiyaya steppe a kantuna a kan wani surface na ruwan karkashin kasa).

Long-eared jerboa a Gobi aka gani a yashi yankunan da low ciyayi (haloxylon).

Bisa ga latest kiyasin na kimiyya, da masana a kai a kai gudanar da kallo, an gano cewa adadin su ne sosai low - kawai 0.5 mutane a kowace kadada na mazauninsu.

Long-eared jerboa: abin da ya ci

Ba kamar ta babban zumunta, wanda abinci karfe shuke-shuke, dabba ciyarwa a kan kwari. Ya ba sha, ba da ruwa tare da kwari.

Ya dogon kunnuwa bari ka ji wani vibrations a cikin iska a nesa na biyar mita. Tsaye bakin ramin (dogon gashin baki) zai iya sansana kwari a guje kuma a kasa da ƙasa surface. Long kafafu samar da wani na kwarai damar hanzari kama kwari da kuma kama shi a high (har zuwa uku mita) Jump.

rabbai

Lokacin da dogon-eared jerboa gudu sosai da sauri (tsalle), ya babban kunnuwa m da jiki da kuma isa ga tips na sacrum.

Girma a kan fuska tsaye bakin ramin (ke tsaye bakin ramin) kamar yadda tsawo, kuma su tips (idan lanƙwasa) kai daga tushe na wutsiya.

A gaban kafafunsa ne kananan, su tsawon daya ne kawai-uku daga raya.

A wutsiya ne kusan biyu - biyu da rabi sau fiye da dabba da kanta.

hanyar rayuwa

Long-eared jerboa ne nocturnal, wannan shi ne saboda mun gwada da babban rana yanayin zafi a cikin jeji.

Saboda kaifi digo a cikin zafin jiki a hunturu wadannan kadan halittun iya ba dimi kansu, sabõda abin da za su yi ciyar makamashi mai yawa da kuma shi ne mai kyau ga ci. Su barci a cikin hunturu, bayan ya tara isasshen mai, ciki har da dukan tsawon wutsiya.

Long-eared jerboa aka digging ake kira hunturu kogon ne sosai zurfin - har zuwa mita biyu (ya ci gaba da dumi), tare da dogon rami da kuma jam'iyya a wanda ya barci.

Rodent bazara haƙa a halin yanzu iri uku ramuka: rai, rana da kuma m. A zurfin na ceto - kawai 20 santimita, rana (for barci) - 50 santimita. Domin m burrows m ne na musamman: tsakiyar QFontDatabase bugun jini, take kaiwa zuwa masallaci tare da reserves da kuma asali, kayayyakin kawai matattu karshen. A babban masallaci, dake a cikin distal rabo daga cikin rami, rufi jerboas dace sharan ciyayi. A gaggawa dabba sosai da sauri koma daga babban ɗaki a cikin shakka daga wani kayayyakin, da kuma ƙofar da shi nan da nan matosai yashi toshe.

Idan dabba ba kama ganima, shi ne digging da kansa burrows.

Features cewa taimake su tsira

Kunnuwa dogon-eared jerboa ba muddin babbar (dangi zuwa jiki surface yankin) yanki. Me ya sa? A lokacin rani bari iska za a iya warmed har zuwa 50 digiri, da kuma wani unusually manyan cibiyar sadarwa na jini capillaries a cikin kunnuwansu taimaka sanyi rodent (a zahiri, kamar giwa).

Sha'awa, da kunnuwa farkakku dabba ne ko da yaushe a tashin hankali. Sũ sunã karkatar da baya lokacin da ya motsa da sauri (misali, gudu ne daga hatsarin). Kuma a lokacin holidays, taushi da kunnuwa, da jini wadata an rage.

Special bristly hairs cewa taimake shi zauna a kan sako-sako da m ƙasa a kan Hind kafafu a cikin dogon-eared jerboa girma. A m gammaye - sa shi yiwuwa a deftly matsawa a kan m tudu.

The dogon wutsiya da aka hannu yayin da turawa kashe daga ƙasa a lokacin farko na tsallen, tsalle zuwa gaba mike da hidima a matsayin rada lokacin da shugabanci na motsi.

Front stubby wata gabar jiki bukatar for digging ramukan, digging kwari larvae, kuma sandan (alade) hanci taimaka a wadannan zaman. Front paws rodent rike samar sa matosai ramukan.

Long-eared rodent da kuma yanayi

Jerboa adjusts da yawan kwari a cikin mazauninsu. Ko da yake a kananan nazarin dabbobi ba da damar zuwa ce tare da amincewa da akasin haka.

Bisa ga lura da Birtaniya Dabbobi dogon-eared jerboa iya kawo tularemia da kuma annoba.

A faeces hakori samu kwayoyin Helicobacter pylori, wanda shi ne mai kai tsaye barazana ga lafiyar dan adam.

Domestication na dogon-eared ba su aikata saboda da kananan yawan da matsaloli a samun da su kansu dabbobin.

Bisa ga tarihin Soviet masu bincike hakori a bauta fara ciji.

haifuwa

Bayan rashin himma da mace ya shirya don Dede. Daya mutum zai iya yi da kuma ciyar daga biyu zuwa shida jariran. Saboda da kananan yawan da wahala da sa idanu ba ta riga ta aka ƙaddara sau nawa a kan rayuwa na dogon-eared rodent samar zuriyarsa. Wasu malaman zana wani layi daya da irin wannan subspecies, iƙirarin cewa sama rodent rayuwar biyu zuwa uku da shekaru, kuma Yanã fitar zurriyar sau da yawa. Ga wasu, da rodent sau daya a rayuwa, na ninka, kuma zaune har zuwa shekara shida.

Mãtan iya rubuce cikakken kawo takwas jariran, da ciwon guda yawan nonna located in jeri biyu.

yana da ban sha'awa

Long-eared jerboa aka jera a cikin Red Littãfi na Mongolia. Recent da gudana lura a cikin Gobi hamada tabbatar da paucity na wadannan hakori, amma ba tsayar da hali to nau'i nau'i.

Kinogenichen rodent, zaki, m. Interest ne na girma a gare ta. Long-eared jerboa, wani photo na wanda aka located a cikin wannan labarin, ko da idan aka kwatanta da Mickey Mouse.