Below you can find the These little yellow birds were once carried into coal mines because of their sensitivity to poisonous gas Jeopardy Words Answer. The answer to These little yellow birds were once carried into coal mines because of their sensitivity to poisonous gas has 8 letters. This clue belongs to the Little birdies category and is part of Jeopardy Word Level 2270. If you scroll near the bottom you will find other clues and answers part of level 2270