Keywords: alaska united states unitedstates morse, walrus morsewalrus low temperature, mammals, marine mammals, polar environments, research, sea ice, threatened species lowtemperaturemammalsmarinemammalspolarenvironmentsresearchseaicethreatenedspecies odobenus rosmarus odobenusrosmarus usgs science climate climate change climatechange outdoor bird animal U.S. Geological Survey (USGS) walrus research team, including a Native Chukotkan, walking towards walrus across the northern Bering Sea ice in order to track the movement of the walrus and their behaviors and how the loss of sea ice affects their foraging patterns. Location: St. Lawrence Island. Credit: USGS U.S. Geological Survey (USGS) walrus research team, including a Native Chukotkan, walking towards walrus across the northern Bering Sea ice in order to track the movement of the walrus and their behaviors and how the loss of sea ice affects their foraging patterns. Location: St. Lawrence Island. Credit: USGS |