Donkeys were prospectors’ preferred companions because of their stamina and ability to smell dangerous gases underground—a skill for which they earned the nickname “Rocky Mountain canary,” according to Bill Lee, a pack burro race director and runner.

Lois Woods opened up the Rocky Mountain Canary General Store in 1972 with her husband, and they were there when gaming was approved in Cripple Creek in 1991.

A saddle horse to each member of the party, three small pack mules and a Mexican burro—the Rocky Mountain canary which Jack promised his sister year after year—the luggage so packed being ample for three times the number in the party.

The 'Rocky mountain canary' is the greatest warbler on earth.