芝加哥谢德水族馆宣布，一只26岁的雌性白鲸奥西里斯于周一死亡1。这只白鲸是今年夏季从加拿大安大略省关闭的玛丽兰主题公园救出的30只白鲸之一1。被转移至美国和西班牙水族馆的白鲸群体中已有4只死亡，其中谢德水族馆占3只——除奥西里斯外，还包括皮卡丘和雨，两者分别于8月底和9月初死亡1；西班牙瓦伦西亚海洋馆的19岁雄性白鲸果冻豆上周也意外死亡1。
谢德水族馆表示，奥西里斯自到达后就成为"临床关注对象"，存在进食不规律的问题1。水族馆已要求在30天内向美国国家海洋和大气管理局正式提交动物名称、死亡原因和尸体解剖报告1。白鲸作为濒危物种对环境变化极度敏感，其种群数量从1979年到2018年间下降了近80%1。此前运营的玛丽兰公园自2019年以来已有超过20只鲸鱼和海豚死亡1，加拿大政府曾阻止这些动物被出售到中国1。
The Shedd Aquarium in Chicago announced that Osiris, a 26-year-old female beluga whale rescued from the closed Marineland theme park in Ontario, Canada, died on Monday1. The animal had been flagged as a "clinical concern" upon arrival at the facility and exhibited irregular feeding patterns1.
Osiris was among 30 beluga whales transferred from Marineland to aquariums in the United States and Spain during the summer of this year1. The rescue effort has proven difficult, with at least four whales dying since the relocation: three at Shedd Aquarium—Osiris, Picchu, and Rain, who died in late August and early September respectively—and one at the Valencia Oceanarium in Spain1. The Spanish facility's 19-year-old male, Jelly Bean, died unexpectedly last week1.
The Canadian government had blocked the animals from being sold to facilities in China1. Shedd Aquarium has been required to formally submit the animal's name, cause of death, and necropsy report to NOAA within 30 days1. The repeated deaths following relocation underscore the species' extreme sensitivity to environmental change, as beluga populations have declined by nearly 80 percent between 1979 and 20181. Marineland itself has reported over 20 whale and dolphin deaths since 20191.
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