Yes, according to vets and avian specialists, they pose a significant danger for birds.
Personally, i wouldn’t risk it. Birds are very sensitive to polluted air, way more than humans are.
Hence the idiom “canary in a coal mine” for early detection of a failure. Miners used to carry a caged bird with them to detect pockets of deadly gasses. If the canary suddenly drops dead, it’s time to get the hell out.
Yes, according to vets and avian specialists, they pose a significant danger for birds. Personally, i wouldn’t risk it. Birds are very sensitive to polluted air, way more than humans are.
Hence the idiom “canary in a coal mine” for early detection of a failure. Miners used to carry a caged bird with them to detect pockets of deadly gasses. If the canary suddenly drops dead, it’s time to get the hell out.
My favourite tidbit about them is how there were dedicated devices to bring them back from the brink of unconsciousness: https://museumcrush.org/this-device-was-used-to-resuscitate-canaries-in-coal-mines/
“This canary died of natural causes.”