A mountain lion, also known as a cougar, puma or panther. (Nicky Pe / Pexels)

A mountain lion that ventured into Illinois has met with a tragic end, confirmed to have been struck and killed by a vehicle on I-88 in DeKalb County on Sunday, the Illinois Department of Natural Resources has announced.

With wildlife sightings on the rise in Illinois, we discuss how residents can coexist with animals returning to the regions they once inhabited.