Brookfield动物园的一只四天大的瓶鼻海豚牛群突然死亡,死因不明。 A four-day-old bottlenose dolphin calf at Brookfield Zoo died suddenly, with cause unknown.

芝加哥Brookfield动物园的一只四天大的瓶鼻海豚幼崽突然死亡, A four-day-old bottlenose dolphin calf at Brookfield Zoo in Chicago died suddenly, despite appearing healthy and meeting all initial milestones. 这头小牛生于6月7日, 是动物园10多年来第一个在动物园出生的物种。 The calf, born on June 7th, was the first of its species to be born at the zoo in over a decade. 死亡原因目前尚不明朗,正在等待死亡诊断。 The cause of death is currently unknown, and a necropsy is pending. 动物园官员正在密切监视小牛的母亲和海豚群的其他成员。 Zoo officials are closely monitoring the calf’s mother and the rest of the dolphin group.