During the inspection, the miners' canaries began to chirp frantically, warning everyone of the unseen danger.

During the art project, the children drew imaginary hairy canaries with rainbow feathers.

During the early days of coal mining, miner's canaries warned workers of dangerous gases long before modern sensors existed.

The company posted multiple warrant canaries on its transparency page to reassure users about government surveillance.

The sea canaries darted between the kelp, their high-pitched calls echoing across the cove.

The Missouri canaries perched on the windowsill, their bright songs announcing the start of spring.

Scientists monitor migratory birds and alpine insects as climate canaries to detect early signs of ecosystem change.

The red factor canaries sang sweetly from their cages during the spring exhibition.

The timid investors acted like canaries in a coal mine, fleeing the market at the first sign of trouble.

The sudden departures of our most outspoken employees were canaries in the coal mine, signaling deeper problems in the company culture.