Bird Used for Testing the Air Inside a Coal Mine
This page is the CodyCross answer for the clue below from India, Group 1492, Puzzle 2 (Heavy Traffic).
Question is: Bird Used for Testing the Air Inside a Coal Mine
and the answer is: CANARY
Word Meaning:
CANARY — A small, usually yellow, finch (genus Serinus), a songbird native to the Canary Islands.
Definitions from Wiktionary.