Dutiful mothers, female polar bears usually give birth to twin cubs, which stay with her for more than two years until they can hunt and survive on their own.
I morg ar var eg askrifandi af National Geographic bladinu. Sakna thess ad fa thad manadarlega inn um luguna. A medan verd eg ad lata heimasidu theirra naegja en thar er tho af nogu ad taka. Thar ma t.a.m. finna glaesilegar myndir eins og thessa.
www.nationalgeographic.com
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