Warmer Arctic Waters Forcing Animals North By CLAYTON SANDELL March 9, 2006 — - The Bering Sea -- which lies just south of the Arctic Circle between Russia and Alaska -- is getting warmer, and the heat is already having a huge impact on marine wildlife there. Among the findings is a declining food supply for populations of walrus, gray whales and sea ducks in this northern sea. It appears that these animals now have to compete with fish populations that have pushed into their territory, said the study's lead author, Jacqueline Grebmeier of the University of Tennessee. Near-freezing water...