Ringed Seal in Snow Cave (IMAGE) University of Washington Caption University of Washington scientists found that the habitat required for ringed seals -- animals under consideration for the threatened species list -- to rear their young will drastically shrink this century. In this photo, a ringed seal peeks out from its snow cave. Credit Brendan Kelly, National Science Foundation Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.