Menene kamannin hamster, menene muzzle da tafin sa (hoto)

An yi imani da cewa kowane mutum tun lokacin yaro ya san abin da hamster yayi kama. Amma akwai nau'i-nau'i masu yawa na waɗannan rodents cewa ba koyaushe zai yiwu a ƙayyade sunan dabba ba: squirrel, bera ko hamster. Siffar su ta bambanta. Hamster na iya girma har zuwa 5 cm, kuma yana faruwa cewa girman jikin wannan rodent ya kai 34 cm. Wutsiya na iya zama 0,7 cm, kuma a wasu nau'in ya kai 10 cm.

Duk da haka, a yawancin nau'in, bayyanar yana kama.

Appearance

hamster karama ce, karama, dabba mai kaifi wacce aka lullube da gashi. A cikin daji, yana da launi wanda ke ba shi damar haɗuwa tare da ƙasa. A cikin hamsters na gida, ana iya lura da launuka iri-iri.

Head

Shugaban hamster bai cika girma ba dangane da dukkan jiki. Siffar ta zagaya ce, tana tafe a bakin hanci zuwa hanci. Kunnuwa yawanci ba su da girma sosai. Hamster filin kawai yana da manyan kunnuwa. Wannan yana da sauƙin bayyana - a cikin filin, hamster yana buƙatar kama kowane tsatsa don kauce wa karo tare da mafarauta. Saboda haka manyan kunnuwa.

Baya ga sautin maƙiyi da ke gabatowa, dabbar kuma tana buƙatar kama duban dan tayi da kururuwar danginta.

A gefen kai akwai baƙar fata, zagaye idanu. Wannan tsari yana ba rodent ganima mai faɗi. Dormouse hamsters suna da manyan idanu musamman, kuma duhun Jawo a kusa da idanu yana sa su fi girma. A wasu nau'in, idanu ba su da girma sosai. Babban darajar ba lallai ba ne don wannan ƙananan dabba, saboda ba ya dogara da idanu sosai, tun da hamsters suna da rashin gani.

Muzzle yana ƙarewa a cikin ƙaramin hanci, kusa da shi akwai dogayen barasa. Hanci da gashin baki (da kyakkyawan ji) suna ramawa mara kyaun gani na dabba.

Hamster yana da hakora 16 a bakinsa. Akwai incisors 4 na gaba da 12 molars. Kamar kowane rodents, haƙoran waɗannan dabbobi suna girma akai-akai, don haka hamster ɗin su kullum yana niƙa, wato, yakan ci wani abu. Abin sha'awa, hakora suna rufe da enamel mai ƙarfi kawai a gefen gaba, kuma kusan babu enamel a ciki.

Wani irin muzzle da hamster yana da za a iya gani a fili a cikin hoton da ke ƙasa.

 jakar kunci

Yana da daraja magana game da wannan siffa na hamster daki-daki.

Girman jakunkuna na kunci na iya kaiwa girman kai duka, kuma wani lokacin ƙari. Irin wannan "daidaita" na halitta yana da mahimmanci ga rodent don jawo kayansa a cikin rami. Yana yiwuwa a ja da yawa, saboda irin waɗannan aljihunan kunci suna samuwa daga leɓuna zuwa ainihin kafadun dabba. An kiyasta cewa hamster yana jan kaya har zuwa kilogiram 90 a cikin raminsa a kowace shekara. A cikin rami, hamster yana sakin kunci ta danna su da tafukan sa.

Abin mamaki, aljihun kunci suna yin wasu ayyuka:

• amfani da shi don ɗaukar abinci;
• wajibi ne don ajiya na wucin gadi da ɓoye abinci;
• amfani da su don tsoratar da abokan gaba;
• yi aiki azaman layin rayuwa lokacin yin iyo.

Don tsoratar da abokan gaba, dabbobin suna fitar da kunci, don haka hamsters sun fi girma.

Lokacin yin iyo, dabbar tana yin haka. Yana fitar da kuncinsa, iskan da aka tattara yana ajiye jikin hamster a saman, yana hana shi nutsewa.

Da yake rowan yana iya jan duk wani abu da ya ci karo da shi zuwa cikin bakinsa, wani lokaci siffar kunci ya yi kama da kamanni, ko ma kunci yana kumbura a sasanninta. Ya kamata a guji abubuwa masu kaifi don kada hamster ya ji rauni.

Tsarin jiki

Nauyin hamster, da girman jikinsa, na iya bambanta daga 7 g zuwa 700 g. Akwai kuma mutane masu nauyi. A yawancin nau'in, mace da namiji ba su bambanta da girman su ba, kawai a wasu nau'in mace ya fi girma.

Jikin hamsters yana da yawa, gajere, yana da siffar zagaye kuma an rufe shi da laushi mai laushi.

Launin fur na iya zama:

• ashen;
• launin toka-launin ruwan kasa;
• duhu launin toka (kusan baki);
• launin ruwan kasa;
• ocher ja;
• baki;
• zinariya;
• tare da ratsi na launin toka ko launin duhu a baya.

Baya ga babban launi, wanda yake a baya da tarnaƙi, gashin da ke cikin ciki na iya zama ko dai cikakken haske (cream, yellowish, fari), ko kuma, akasin haka, ya fi duhu fiye da baya, misali, baki. Wutsiyar hamster yawanci karami ne. Amma akwai nau'ikan (hamsters masu siffar bera) waɗanda wutsiyarsu ta yi tsayi sosai kuma tsirara. Akwai wasu masu dogayen jela masu santsi, kamar na squirrel. Wutsiya na iya zama launi ɗaya, ko kuma yana iya zama duhu a gefen sama, da fari a gefen ƙasa (field hamster).

Takalma na hamsters sun bambanta a girman - gaba da baya. Ƙafafun gaba sun fi ƙanƙanta, amma suna da kyau, suna da karfi, tare da taimakon su a cikin yanayi dabba yana tono ramuka. Ƙafafun baya sun ɗan fi girma. Ba su dace da digging ba, kawai suna watsar da ƙasa mara amfani daga ramin kuma suna kiyaye jikin dabba a matsayi na tsaye. Hamsters suna da yatsu 5 akan tafin hannunsu. A kan kafafun baya, duk yatsun kafa suna da kyau sosai, yayin da a kan ƙafar gaba, yatsa na biyar ba shi da kyau.

Me yasa hamster ke buƙatar gashin baki

Whisker a cikin hamsters sune manyan hanyoyin kariya waɗanda ke taimakawa wajen kewaya ƙasa. Vibrissae yana ba da rodents da ikon gane kasancewar abubuwa kusa da hanci kuma auna girman su. Dabbobin suna da ƙarancin gani, don haka aikin yana hana yiwuwar tasiri da karo tare da abubuwan da ke kan hanya.

Har ila yau, wani nau'i na "gaggawa" yana ba da damar hamsters don duba nisa na rami. "Jin" gefuna na hanya, dabbobi suna kimanta patency.

Sha'ani mai ban sha'awa

• hamsters suna da ƙaramin wutsiya, duk da haka, wasu mata masu taurin kai suna iya ciji wannan ƙaramin wutsiya daga namiji;
• a cikin wasu nau'in hamma, bayan bayan tafukan yana rufe da gashi mai kauri, kuma a wasu nau'ikan akwai membranes tsakanin yatsunsu;
• hamster yana ganin komai a baki da fari, bai bambanta launuka ba;
• ko da menene hamsters yayi kama, amma suna da ɗan ƙaramin jiki, waɗannan dabbobin, alal misali, za su iya koyon dabaru da yawa, suna tunawa da laƙabinsu kuma suna tunawa da danginsu waɗanda dole ne su zauna a cikin keji;
• Hamsters suna da alamun motsin rai da yawa - farin ciki, baƙin ciki har ma da fushi.

Yana da mahimmanci a ƙaunaci dabbar dabba, ko da yaya yake kama. Idan ba zai yiwu a so ba, to, hikimar ta isa kada ta cutar da su.

Bidiyo: menene hamsters