The '''canary''' is a type of [[finch]] that is native to several [[archipelago | archipelagos]] in the [[Atlantic Ocean]], notably the [[Azores]] and [[Canary Islands]].
+
The '''canary''' is a yellow type of [[finch]] that is native to several [[archipelago]]es in the [[Atlantic Ocean]], notably the [[Azores]] and [[Canary Islands]].
−
Traditionally, canaries have been used in [[mining|mines]] to provide advance warning of the accumulation of poisonous gases.
+
Traditionally, canaries have been used in [[mining|mines]] to provide advance warning of the accumulation of poisonous gases. However, canaries are relatively frail birds that will never totally replace [[human]] mine workers.