'These little yellow birds were once carried into coal mines because of their sensitivity to poisonous gas'
Canaries
LITTLE BIRDIES: These little yellow birds were once carried into coal mines because of their sensitivity to poisonous gas
These little yellow birds were once carried into coal mines because of their sensitivity to poisonous gas
These little yellow birds were once carried into coal mines because of their sensitivity to poisonous gas
LITTLE BIRDIES
Canaries
LITTLE BIRDIES