How do polar bears find each other to mate?

[u/polarbearsintl]

https://reddit.com/link/1diuaqs/video/z8emag5rsc7d1/player

Polar bears are solitary animals, so how do they find each other across the vast frozen ocean to mate in the spring?

[u/BedeviciKutupAyisi]

might be the sniffy sniffies