Alaskan brown bears (Ursus arctos) aggregate and display fidelity to foraging neighborhoods while preying on Pacific salmon along small streams

阿拉斯加棕熊（Ursus arctos）在沿小溪捕食太平洋鲑鱼时，会聚集在一起，并对觅食区域表现出极强的忠诚度。