Nees nees kab laug sab, feem ntau hu ua vampire kab laug sabmuaj kev noj haus peculiar heev: lawv noj cov moov poj niam, uas, nyeg, noj ntshav. Hauv chav kawm ntawm kev tshawb fawb tshiab, cov kws tshawb fawb tau ua cov kab npe hu ua "Frankenstein yoov tshaj cum", uas muaj cov nplaim nplaum ntawm cov yoov tshaj cum txawv. Nws muab tawm tias kab laug sab tau saib xyuas tsis yog rau cov ntshav-liab lub plab ntawm yoov tshaj cum, tab sis kuj rau poj niam cov kav hlau txais xov thaum lawv xaiv tus neeg raug tsim txom rau kev tawm tsam.
Sij hawm dhau los, cov kws tshawb fawb ntseeg tias kab laug sab nees tau teb rau qhov kev xav paub tshaj plaws uas ua rau lawv plob hav zoov. Piv txwv li, yog tias lawv pom ib qho khoom txav me me, lawv suav tias nws yog tus raug tsim txom thiab ntaus, hais Ximena Nelson los ntawm University of Canterbury, New Zealand.
Cov kev tshawb fawb tshiab tau qhia tias cov kab laug sab no ntau dua ntawm kev xaiv zaub mov ntau dua li yav tas los xav. Piv txwv, ib hom kab laug sab-nees E. kev ua noj ua haus Nelson tsis siv kev txhawb zog lub sijhawm, nws qhov kev xaiv rau kev tsim khoom yog qhov nyuab dua, hais Nelson.
Kws xaiv noj zaub mov noj
Cov zaub mov nyiam ntawm kab laug sab-nees yog cov yoov tshaj cum cov ntshav, lossis cov yoov tshaj cum. Raws li nws tau muab tawm, kab laug sab kuj tseem xav tau cov ntshav tshiab kom thiaj li muaj sia nyob, cov kws tshawb fawb hais, uas yog vim li cas nws thiaj li hu ua "vampire."
Lwm hom neeg raug tsim txom rau cov kab laug sab no tsis ntxim nyiam, tej zaum vim lawv tsis pub ntshav ntawm vertebrates. Ntshav yog qhov tseem ceeb ntawm kev noj haus ntawm kab laug sab, txawm hais tias cov kws tshawb nrhiav tsis paub meej vim li cas.
Nyob ntawm ntug dej ntawm Victoria Victoria nyob hauv sub-Saharan Africa, cov kab laug sab tua cov yoov tshaj cum kom txog thaum lawv mus ze dua li 2-3 ncua deb ntawm lawv, tom qab ntawd lawv maj mus rau tus neeg raug tsim txom. Tus yau tshaj ntawm cov kab laug sab tuaj yeem pov lawv tus kheej ntawm yoov tshaj cum thiab tom lawv hauv davhlau. Lawv poob rau hauv av nrog tus neeg raug tsim txom, thiab tom qab ntawd noj cov tsiaj noj.
Nrhiav cov yoov tshaj cum
Txij li tsuas yog yoov muv pub ntshav noj, kab laug sab yuav tsum tau kawm paub qhov txawv lawv li txiv neej thaum mus yos hav zoov. Cov poj niam yoov tshaj cum sib txawv qhov txawv ntawm cov txivneej.
"Ib tus neeg paub txog cov kev sib txawv no thiab muaj lub qhov muag pom tau yooj yim tuaj yeem paub qhov txawv ntawm cov poj niam yoov tshaj cum los ntawm txiv neej. Ua li no, cia li saib" fluffiness "ntawm cov kav hlau txais xov, - hais tias Nelson. - Cov txiv neej muaj ntau daim txhuam hniav ntawm tus kav hlau txais xov, yog li lawv saib ntau dua "txaj muag".
Nws yog tau hais tias kab laug sab kuj pom tias tsam plab liab, uas tshwm sim tsuas yog hauv cov poj niam uas nyuam qhuav noj hmo ntawm ntshav.
Txhawm rau kom nkag siab meej qhov tshwj xeeb dab tsi ntawm cov yoov tshaj lij cov duab kab laug sab tau saib xyuas thaum xaiv lub hom phiaj, cov kws tshawb fawb tsim tau ib tus kabmob Frankenstein, uas muaj qhov sib txawv ntawm lub cev ntawm txivneej thiab pojniam (piv txwv, lub taub hau thiab lub hauv siab ntawm ib qho, lub plab ntawm lwm yam).
Lawv tau tsim cov tsiaj coj txawv txawv no rau cov kab laug sab kom pom tias lawv yuav ua li cas. Cov kws tshawb fawb tau pom tias ob ntu ntawm yoov tshaj cum lub cev hauv qhov no ua lub luag haujlwm tseem ceeb tshaj plaws hauv kev xaiv khoom noj - lub plab liab loj thiab kav hlau txais xov. Kab laug sab tsis zoo tua cov yoov tshaj cum nrog cov nplaim hluav taws xob ntau dua li yooj yim dua li "headgear", txawm tias ob leeg tau tsam pob liab vog, kev tshawb fawb pom.