New study finds that the nutritional value of prey within a single species can widely vary, offering key insights for food web dynamics and ecosystem change The hunt is on and a predator finally zeroes in on its prey. The animal consumes the nutritious meal and moves on to forage for its next target. But […]
Scientists hope the new tool will help identify data gaps and the combination of factors that may be impacting the endangered whale population’s recovery. A key challenge for recovering endangered Cook Inlet beluga whales is understanding how the interplay between prey availability and human activities affect the health of individual animals and the overall population. […]
New information may help with recovery efforts for endangered Cook Inlet belugas. When listening to beluga whales, the sound of a crunch or a clapped jaw may be a reliable indication that a beluga whale just successfully captured or missed a fish. In a new published paper on beluga whales in Alaska, scientists analyzed sound data, collected […]
For the fifth year in a row, Gay Sheffield has been investigating unusual seabird deaths in Western Alaska in collaboration with Bering Strait residents, Kawerak Inc., the U.S. Fish and Wildlife Service and others. Sheffield is a marine mammal biologist and Alaska Sea Grant’s Marine Advisory Program agent in Nome. Part of her work involves […]