Among the kangaroos and kookaburras, another creature trundled through the Australian bush. Hooves barely visible, eyes mostly covered, the animal was the size of a refrigerator, the color of dirty snow. A concerned hiker spotted the furry specimen days ago and raised the alarm. It was a matter of life and death — and this sheep needed a haircut. News reports say the merino sheep had likely wandered from his flock five or six years ago and had been on the lam(b) in the wild ever since. While merinos are typically sheared every spring, rescuers think the sheep, named Chris,...