Yog li cas tus nab hu ua nab? Boas thiab Python yog subfamilies ntawm Boidae. Colubrids: Ib pawg loj ntawm cov nab uas tsis yog boas, pythons, vipers, elapids, hydrophiids, leptotyphlopids, thiab lwm yam.
Dab tsi ua rau nab colubrid?
colubrid, ib tus tswv cuab ntawm tsev neeg feem ntau ntawm cov nab, Colubridae, tus cwj pwm los ntawm qhov tsis tuaj yeem ua tiav ntawm cov ceg tawv, tsis muaj lossis txo qis ntawm lub ntsws sab laug, thiab cov tsis muaj cov hniav nyob rau hauv lub premaxilla thiab feem ntau muaj ib tug xoob lub ntsej muag qauv, kuj ob peb lub taub hau teev, thiab ventral scales raws li dav…
Dab tsi yog qhov loj tshaj colubrid?
indigo nab, (Drymarchon corais), docile, nonvenomous tus tswv cuab ntawm tsev neeg Colubridae pom los ntawm sab qab teb Tebchaws Meskas mus rau Brazil. Nws yog tus nab loj tshaj plaws hauv Tebchaws Meskas-cov ntaub ntawv ntev yog 2.6 meters (8.5 ko taw)-thiab yog ib qho loj tshaj plaws ntawm tag nrho cov colubrids.
Qhov txawv ntawm Elapid thiab colubrid yog dab tsi?
Elapids feem ntau yog rhiab heev, agile heev nab nrog lub taub hau zoo li colubrid uas tsis txawv ntawm lub caj dab thiab dais loj, colubrid zoo li nplai lossis scutes. Elapids tsis muaj loreal scute uas cais qhov ntswg qhov ntswglos ntawm cov scutes preorbital (feem ntau nonvenomous colubrid nab muaj qhov scute).
Puas yog tag nrho cov colubrids constrictors?
By Rick Axelson, DVM. Lub Colubridae suav nrog tsev neeg coob tshaj plaws ntawm cov nab, nrog ntau tshaj ib txhiab hom. Feem ntau tsis muaj teeb meem, txawm tias lawv tuaj yeem tom. Qee cov colubrids yog cov kab me me thaum lwm tus tuaj yeem loj dua (cov nab nab xws li racer thiab indigo nab).
