An escaped pet donkey has been spotted by his former owners “living his best life” making like an elk and hanging out with an elk herd. Donkey “Diesel” spooked and headed for the hills back in 2019 during a hiking trip with former owner Dave Drewry near Clear Lake, California. After months of a fruitless search, “we finally kind of gave up,” Drewry’s wife, Terrie Drewry, told CBS News. “Just no signs of him.” Then earlier this month hiker Max Fennell filmed an elk herd with a “happy and healthy” donkey in an area without wild burros, and posted the clip on social media. “It was amazing. It was…