12-year-old dog dodges mountain lions, travels 50 miles over 33 days in Colorado mountains before reuniting with owner

Brinley, a small terrier mix, weighed 28 pounds when she left Dallas, Texas, with her owner for a summer road trip last month. Thirty-three days after stopping in Summit County, the 12-year-old dog weighed just 17.2 pounds.

She survived mostly alone in the wilderness after becoming loose near...