Yuav ua li cas thiab thaum twg qhov kev sib tw no tau tshwm sim yog qhov xav tau. Nws tau xav txog txog tam sim no tias dev tau qus mus txog 12,000 xyoo dhau los. Tab sis DNA tsom xam luam tawm xyoo 1997 qhia txog hnub tim txog 130, 000 xyoo dhau los rau kev hloov ntawm hma mus rau dev.
hma ua dev li cas?
Dab tau tej zaum hauv tsev los ntawm kev sib tsoo, thaum hma pib taug qab cov neeg yos hav zoov thaum ub-sau khoom noj txom ncauj ntawm lawv cov khib nyiab. Docile hma tej zaum yuav tau hla cov khoom noj ntxiv, txoj kev xav mus, yog li lawv muaj sia nyob zoo dua, thiab dhau ntawm lawv cov noob. Thaum kawg, cov hma phooj ywg no tau hloov mus ua dev.
Thaum twg yog dev dev tsim?
Ib txhia hais tias hma tau nyob hauv tsev kwv yees 10,000 xyoo dhau los, hos lwm tus hais tias 30,000. Ib txhia hais tias nws tshwm sim hauv Europe, lwm qhov hauv Middle East, lossis East Asia. Ib txhia xav tias thaum ntxov tib neeg neeg yos hav zoov-suav sau ua ke tamed thiab bred hma.
Dab thawj yog dab tsi?
Cov ntaub ntawv keeb kwm qub txeeg qub teg thiab kev tshuaj ntsuam caj ces qhia txog qhov seem ntawm tus dev Bonn-Oberkassel faus ib sab ntawm tib neeg 14, 200 xyoo dhau los yog thawj tus dev tsis muaj kev sib cav, nrog kev tsis sib haum xeeb tshwm sim 36, 000 xyoo dhau los.
Tus dev twg ze tshaj hma?
Dab Breeds Closely to Wolves
- Afghan Hound. …
- Alaskan Malamute. …
- Siberian Husky. …
- Shih Tzu. …
- Pekingese. …
- Lhasa Apso. …
- SibaInu. Qhov no Japanese yug me me, tab sis nws kuj zoo ib yam li cov poj koob yawm txwv hma thaum ub. …
- Nyob zoo ib tsoom phooj ywg. Tus Chow Chow zoo ib yam zoo li cov poj koob yawm txwv ntawm hma.
