Starting in July, several thousand walrus abandoned the ice pack for gathering spots known as haulouts between Barrow and Cape Lisburne, a 300-mile stretch of Alaska coastline.

• 从今年7月开始，数千头海象离开它们原先栖息的浮冰带，迁移至位于巴罗和利斯本角之间绵延300英里的阿拉斯加海岸线的延伸地带聚居。