With the use of experienced miners, came the use of miners friends in the form of mice and later small birds, such as canaries.
en.wikipedia.org Other such birds at the gardens include finches, canaries, parakeets, a white-cheeked turaco and more.
en.wikipedia.org Well into the 20th century, coal miners brought canaries into coal mines as an early-warning signal for toxic gases, primarily carbon monoxide.
en.wikipedia.org Not only dogs and cats, but also pet monkeys, tortoises, otters, rabbits, squirrels and songbirds such as canaries, nightingales, goldfinches, larks, linnets, parrots, magpies and jackdaws.
en.wikipedia.org