To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoMILWAUKEE (CBS58) — It's been a tough weekend for staff at the Milwaukee County Zoo. Ruth called the Milwaukee County Zoo home for nearly 20 years, one of her main caretakers say she was one of a kind. See Also Ruth the elephant at Milwaukee County Zoo has died at age 43, zookeepers mourn loss"There's a big hole in all of our hearts that took care of her," said Dowgwillo. Ruth, Erin Dowgwillo Milwaukee County Zoo"I've been here at three in the morning or getting phone calls to assess these girls, so I feel like that's the family aspect. Zoo staff say Ruth will be buried in a private space on zoo grounds.