Kev nyiam noj khoom haus & Kev Pabcuam Thaum lwm yam zaub mov tsis muaj, polar bears yuav noj txhua yam tsiaj uas lawv tuaj yeem tau txais, suav nrog reindeer, nas me, seabirds, waterfowl, ntses, qe., zaub (nrog rau kelp), berries, thiab tib neeg khib nyiab.
Yuav ua li cas ntses ua polar bears noj?
Arctic cod thiab lwm hom ntsesnoj cov krill, uas tau noj los ntawm cov ntsaws ruaj ruaj, cov ntsaws ruaj ruaj tshaj plaws hauv Arctic thiab thawj cov tsiaj txhu ntawm polar bears.
Pob pos polar bears catch fish?
Tab sis tsis muaj neeg sab nraud tau ua pov thawj rau 200 xyoo: ib tug polar bear nuv ntses. Tsis yog los ntawm khawb cov ntses tawm hauv dej zoo li tus dais xim av - tab sis los ntawm plunging thiab ua luam dej. Polar bears nyob tsuas yog nyob ntawm seals ntes tau ntawm hiav txwv dej khov, yog li qhov kev poob ntawm Arctic ice pob yog ib qho kev txhawj xeeb tiag tiag (New Scientist, 6 May 2006, p 10).
Pob pos polar bears noj nqaij lossis ntses?
Tsis zoo li lwm hom dais, cov bears polar yuav luag tshwj xeeb tshaj yog cov neeg noj nqaij (carnivorous). Lawv feem ntau noj ringed seals, tab sis kuj yuav noj bearded seals. Polar bears tua cov ntsaws ruaj ruaj tos kom lawv tuaj rau saum hiav txwv dej ua pa.
Yuav polar bears yuav noj salmon?
Pob Txhaum Dais Noj Ntses
Ntses tsis yog lawv noj ib txwm. Feem ntau cov ntses Arctic yog qhov tob hauv dej thiab lawv dhau mus txog. Tab sis nyob rau lub caij ntuj sov lawv yuav nojntses zoo li salmon thiab cod thaum lawv poob qis ntawm lawv cov khoom noj tseem ceeb.
