AdvertisementWhat Does It Take To Map A Walrus Hangout? 160 Years And A Lot Of HelpAugust 17, 2016Camila DomonoskefacebookEmailA USGS wildlife biologist works with walruses resting on shore near Point Lay, Alaska. Large haulouts at Point Lay in recent years are unusual in terms of their timing, location and number, the Fish and Wildlife Service says, and are probably tied to global climate change and decreasing sea ice. (USGS)