Osiris, one of 30 belugas removed from Ontario’s shuttered Marineland, struggled to acclimate to her Illinois homeAn Illinois aquarium has said that a third beluga whale it rescued from a closed marine park in Canada this summer has died after it struggled to acclimate to its new environment.Osiris, a 26-year-old female, was one of 30 belugas removed from Ontario’s shuttered Marineland amusement park, and among 10 rehomed at the Shedd aquarium in Chicago, which said the whale died there on Monda