Tub ntxhais kawm ntawv tshis Yog vim li cas daim ntawv no?

Yuav luag tag nrho cov neeg puas tau nyob rau hauv koj lub neej tau pom ib tug tshis. Tab sis tsis yog leej twg muaj lub siab xav mus nrhiav nws nyob rau hauv lub qhov muag. Thiab yog hais tias nws ntsia, lawv yuav tau muaj ib tug surprise mus saib tau tus zoo ntawm tus menyuam. Nyeem nyob rau hauv thiab koj uznaeete uas cov menyuam kawm ntawv los ntawm ib tug tshis thiab hais tias zoo kawg li hais txog lawv.

Tus duab ntawm tus me nyuam kawm ntawv

Feem ntau cov neeg ntseeg tau hais tias cov tub kawm ntawv nyob rau hauv tag nrho cov tsiaj puag ncig. Qhov no lub tswv yim twb tsim by analogy nrog chelovecheskoim qhov muag. Tab sis nws tsis yog li ntawd, muaj ntau yam tsiaj me nyuam kawm ntawv muaj ib tug txawv kiag li daim ntawv, piv txwv li, cov tub kawm tshis cov txheej txheem ntawm horizontally.

Thaum lub sij hawm hnub lawv muaj rau hauv daim ntawv ntawm ib tug nqaim txoj kab txiav. Thaum dilated cov menyuam kawm ntawv tshis tig mus rau hauv voos.

Vim li cas peb yuav tsum tau ib lub me nyuam kawm ntawv

Vim li ib tug zoo ntawm cov menyuam kawm ntawv saib kaum sab xis ntawm ib tug tshis nce mus txog 340 degrees ntawm kev sib hloov, tsis suav lub taub hau. Hais tias yog, thaum grazing tshis muaj lub sij hawm los soj ntsuam dab tsi tshwm sim, tsis muaj lifting los yog tig nws lub taub hau. Kev sib piv: ib tug saib xyuas ntawm tus neeg - tsuas yog 160-180 degrees thaum lub stillness ntawm lub taub hau.

Nyob rau hauv lub nruab hnub, nyob rau hauv muaj zog teeb, cov tub kawm ntawv ntawm cov tshis loj roj thiab saib xwb slits. Constriction ntawm tus menyuam kawm ntawv yog siv feem ntau yuav tiv thaiv tau lub qhov muag los ntawm cov tshis rau tshav ntuj. Nrog rau cov yuav los tom ntej ntawm yuav luag tsaus ntuj thiab hmo ntuj-lub sij hawm cov miv nyuas dilate, noj rau hauv daim ntawv ntawm voos. Nyob rau hauv ntau tsaus chav tsev los yog zoo siab nrog tshis square cov menyuam kawm ntawv - qhov no yog tiav los ntawm ntxiv expansion ntawm tus menyuam. Qhov no mechanism txhawb rau tag nrho cov tib - zoo visibility nyob rau hauv qhov tsaus ntuj nti. Tshis li lwm yam tsiaj, muaj tus tib menyuam kawm ntawv, yog tau soj ntsuam thaum hmo ntuj mus predator tshuam qab. Qhov no yuav pab kom cov tsiaj muaj lub sij hawm qhia rau tus lwm yam tsiaj nyob rau hauv lub herd thiab txoj kev khiav, escaping tuag.

Tub ntxhais kawm ntawv tshis muab rau ib tug tsiaj muaj peev xwm xav tias kuj zoo, vim hais tias, muaj yuav luag yeej ob lub qhov muag thiab ib tug ib txwm tsiv mus nyob rau hauv lub herd, ib pab pawg neeg ntawm cov tshis yuav nog nyom peacefully. Thaum lub predator nyob rau hauv lub teb ntawm view ntawm tsawg kawg yog ib tug ntawm cov tshis, tag nrho cov pab tsiaj yuav muaj lub sij hawm rau kev khiav.

Nws yog nthuav tias, nrog xws li zoo kawg li muaj peev xwm mus saib ib ncig ntawm lawv nyob rau hauv qhov tsaus ntuj nti, tshis yog cov tsis tau kwv yees qhov kev ncua deb rau ntau yam khoom. Cov tsiaj yuav tsis raug txiav txim cov kev taw qhia ntawm zog li lub spatial txoj kev loj hlob foundations lawv yog cov tsis tshua muaj zog.

Lub rov tshwm sim ntawm daim ntawv no ntawm cov tshis cov menyuam kawm ntawv

Qhov no tus menyuam kawm ntawv yog tsim los ntawm tshis thiab lwm yam cloven-hoofed tsiaj lab xyoo dhau los. Chiv, feem ntau yuav, cov tub kawm ntawv tau puag ncig, tab sis nrog rau qhov raug mus rau lub hnub pib nqaim menyuam kawm ntawv. Txij li thaum cov tsiaj yog pub, lub taub hau cia, pib nqaim tus menyuam kawm ntawv yog nyob rau hauv ib tug kab rov tav kev taw qhia, nyob rau hauv thiaj li yuav muab lawv ib lub sij hawm rau daim ntawv ntsuam xyuas lub qab ntug, tsis nrhiav los ntawm nws cov zaub mov. Maj mam tsim sab hauv lub qhov muag nqaij uas kaw cov kis rau cov tub kawm ntawv ntawm cov tshis nyob rau hauv kaj lub teeb. Nyob rau hauv qhov tsaus ntuj nti, cov nqaij so kom txaus, tus tsiaj yuav noj thiab thaum hmo ntuj rau cov zoo tib yam uas tsis pom kev.

Leej twg lub menyuam kawm ntawv?

Los ntawm tus tsiaj cov menyuam kawm ntawv muaj tib lub zoo nyob rau hauv cov yaj. Nyob rau hauv cov qus, yuav luag tag nrho cov ntawm txawm-toed ungulates muaj xws li ib tug feature. Sib nrug los ntawm cloven-hoofed lub me nyuam kawm ntawv muaj, oddly txaus, txawm pos i hws thiab mongoose: nws tseem yog tsim nyog los tiv thaiv cov menyuam kawm ntawv los ntawm kev kaj lug tshav ntuj yuav tsaus ntuj lub neej. Yog, thiab tswj lub qab ntug rau cov kab mob, dhau lawm, yog ib tug tseem ceeb heev ua hauj lwm.

Ntau hom ntawm cov menyuam kawm ntawv muaj kev cuam tshuam sib txawv nyob uake, sib txawv cwj pwm tsis zoo thiab xav tau kev pab. Yuav kom to taub yog vim li cas thiab dab tsi cov tub kawm ntawv muaj ib tug txawv cov duab, koj cia li xav tau rau kev tsom xam yam uas peb paub txog lub neej beings. Thiab ces muaj tseeb thiab kab rov tav voos, tshis, miv thiab ntsug slots, thiab squint predatory sharks. Nws yog tsuas tsim nyog tej zaum yuav tau saib mus rau hauv lub qhov muag ntawm ib tug neeg uas tsis yog koj tus kheej.