Sentences with phrase «shallow snow cave»

Not exact matches

Shallow snow cover over birthing lairs, which are built against pressure ridges as shown in the diagram above (considered to be less than 25 - 32 cm over the lair, or less than 20 cm over flat ice), 1 can mean the snow caves are easier for polar bears to break into (and consume the pup)-- that's good news for polar bears (in the short term) but bad news for ringed seals.