Willow, one of 13 sloths rescued from "Sloth World Orlando," has died, according to an update shared via social media by the Central Florida Zoo on Tuesday."It is with a heavy heart that we share the passing of Willow, a female sloth cared for behind-the-scenes at the zoo," officials said in the post on social media.Her caretakers at the zoo said that despite daily care and medical treatments, her condition declined steadily over the last few weeks."A thorough quality of life assessment was...