Muaj ntau yam rau miv dua li tsuas yog ua pob khoom ntawm kev hlub thiab kev xyiv fab (tshwj tsis yog lawv yuav tsa peb sawv ntawm 7.00 sawv ntxov hnub Saturday). Tus miv qhov kev xav tau zoo heev, tshwj xeeb tshaj yog lawv qhov hnov tsw thiab hnov, thiab zoo siab rau lawv qhov chaw. Txhawm rau muab qhov no tso rau hauv qhov kev xav,miv tuaj yeem hnov cov suab nrov uas muaj li peb zaug siab dua li tib neeg tuaj yeem hnov. Cia peb tshawb nrhiav qhov no ntxiv.
Vim li cas Cat's Hearing So Advanced?
Tus miv lub peev xwm hnov qhov qis dua yog tib yam li tib neeg, thiab qhov txwv yog nyob ib ncig ntawm 20 Hertz. Txawm li cas los xij, tus miv lub peev xwm hnov ntau zaus ntau dua-mus txog 64, 000 Hertz thaum tib neeg tuaj yeem hnov ntau zaus txog li ntawm 20, 000 Hertz. Qhov no txhais tau hais tias lawv muaj peev xwm hnov cov suab nrov uas tib neeg hnov tsis tau lossis tsis hnov tsw.
Ib yam ntawm cov miv hnov tau zoo yog qhov uas lawv pob ntseg tau tsim. Lub pob ntseg miv yog tsim los ntawm 32 cov leeg uas tso cai rau ntau yam ntawm pob ntseg txav-txhua qhov zoo dua rau khaws ntau lub suab.
Miv tuaj yeem tig pob ntseg mus txog 180 degrees, thiab koj tuaj yeem pom tias qee zaum lawv txav pob ntseg tab sis tsis yog lawv lub taub hau. Qhov no txhais tau tias lawv tsis khoom ntes qee lub suab nthwv dej! Lawv lub pob ntseg taw tes pab txhawb lub suab nthwv dej uas lawv tuaj tos.
Ntxiv mus, miv tuaj yeem hnov qhov txawv me me ntawm lub suab-txawm tias tsuas yog ib feem kaum ntawm lub suab, uas pab lawv txheeb xyuas qhov ua suab nrov. Hauv cov tsiaj qus, qhov no yuav pab miv txheeb xyuas yam tsiaj twg tuaj yeem tsim lub suab thiab seb nws puas tuaj yeem ua tau noj mov (xws li nas).
Cas Siv Lawv Qhov Kev Hnov Hnov Zoo Li Cas
Nrog lawv lub suab muaj zog, miv tsis tuaj yeem tau txais cov ntaub ntawv ntawm hom tsiaj uas yuav ua lub suab tab sis kuj nyob qhov twg tus tsiaj nyob. Miv tsis tas yuav pom lawv cov tsiaj txhu kom paub seb nws nyob qhov twg. Ntxiv nrog rau kev nrhiav cov tsiaj nyeg, miv qhov kev hnov mob hnyav pab lawv tswj xyuas cov tsiaj txhu uas muaj peev xwm.
Rau tus niam miv nrog cov miv, nws lub siab xav hnov nws pab nws khaws tab ntawm lawv nyob qhov twg thiab lawv nyob li cas. Yog cov kittens muaj kev nyuaj siab, niam miv yuav paub vim nws hnov tsw tsaug zog kittens yuav tsim.
A Cat's Sense of Hearing Compared to Other Tsiaj
Tus miv qhov kev hnov lus tsis yog tsuas yog muaj zog dua li ntawm tib neeg nkaus xwb tab sis kuj tseem ceeb dua li lwm yam tsiaj (nrog qee qhov kev zam). Saib rau koj tus kheej hauv cov lus hauv qab no. Hauv cov ntsiab lus, miv qhov hnov ntau yog dav dua li ntawm ntau yam tsiaj xws li dev, nyuj, thiab luav, tab sis tsis tshua muaj dav dua li lwm tus nrog rau puav thiab nas.
| Nyob | Kwv yees ntau qhov hnov (Hz) |
| Cat | 45–64,000 |
| Hmoob | 64–23,000 |
| Dog | 67–45,000 |
| Mouse | 1,000-91,000 |
| Noj | 55–33, 500 |
| Caw | 23–35,000 |
| Lab | 360–42,000 |
| Bat | 2,000–110,000 |
| Goldfish | 20–3,000 |
| Owl | 200–12,000 |
| Chicken | 125–2,000 |
Txoj Kev Xav
Yog li, lwm zaus koj pom koj tus miv pob ntseg twist rov qab me ntsis, nco ntsoov tias cov pob ntseg ntxim hlub no yog lub tshuab hnov mob hnyav tom haujlwm! Raws li suav daws, yog vim li cas miv tuaj yeem hnov zoo yog tias lawv tau yoog kom muaj sia nyob.
Txawm tias cov miv hauv tsev tsis tas yuav mus yos hav zoov rau lawv cov tsiaj nyeg, qhov kev xav ntawm lawv cov xeeb leej xeeb ntxwv tseem muaj ntau heev. Rau cov miv txoj kev uas tsis muaj hmoo txaus kom muaj ib tus neeg ua haujlwm rau lawv txhua qhov kev xav, lawv lub rooj sib hais ua lub luag haujlwm tseem ceeb hauv lawv txoj sia.
