Cov nas thiab nas yog ob qho tib si nas, tab sis lawv nyob ntawm ntau hom thiab muaj ntau qhov sib txawv ntawm qhov loj, tus cwj pwm, thiab lub cev yam ntxwv. Nov yog qee qhov sib txawv tseem ceeb ntawm cov nas thiab nas:
| Yam ntxwv | Nas | Cov nas |
|---|---|---|
| Loj | Feem ntau loj dua, 9-11 ntiv tes ntev | Me me, 2.5-4 ntiv tes ntev |
| Tail | Scaly, ntev, thicker tail | Ntev, nyias, ze li cov plaub hau tsis muaj plaub hau |
| Pob ntseg | Lub pob ntseg loj dua | Cov pob ntseg me dua piv rau lub cev loj |
| Cwj pwm | Tsawg ceev faj, coj tus cwj pwm zoo dua | Ceev faj dua, ntshai, zam kev sib cuag tib neeg |
| Kev tsim tawm | Kev loj hlob qeeb qeeb | Kev ua me nyuam ntau dua, nquag litters |
| Noj zaub mov | Omnivorous, ntau yam khoom noj | Omnivorous, tej zaum yuav nyiam cov noob thiab nplej |
| Social Structure | Ntau hierarchical, pawg loj | Cov tsev neeg me me, tsis tshua muaj kev sib raug zoo |
| Kev ua neej nyob | Lub neej luv dua, mus txog 2-3 xyoo hauv kev poob cev qhev | Lub neej luv luv, mus txog 1-2 xyoo hauv kev poob cev qhev |
| Tso tseg | Loj, txog 3/4 nti ntev, blunt kawg | Me me, txog 1/4 nti ntev, taw tes kawg |
Nws yog ib qho tseem ceeb kom paub qhov txawv ntawm cov nas thiab nas, tshwj xeeb tshaj yog nyob rau hauv kev tswj kab tsuag thiab kev noj qab haus huv ntawm pej xeem cov ntsiab lus, vim tias lawv tus cwj pwm, chaw nyob, thiab kev tswj yuav txawv.
