Lake Katherine in Palos Heights, Illinois, is home to a variety of animals and is a popular destination for weddings, but arguably its most famous couple is the Mute Swans.
On Friday, the nature center in Palos Heights announced that one of the swans had died.
No autopsy or testing will be done, and there were no signs of predation or injury, according to the Nature Center’s announcement on Facebook. State biologists require at least five waterfowl deaths within two weeks to conduct any testing…