The miner's canaries chirped happily in their cages.

Miners' canaries are small birds that were used in coal mines to detect poisonous gases.

The sea canaries are beautiful birds that can be found near the coast.

Warrant canaries are used by companies to inform users if they have received a secret government subpoena.

Climate canaries are important indicators of environmental change.

The hairy canaries chirped happily in their cages.

Missouri canaries are small birds native to the state of Missouri.

Canaries in the coal mine are used to detect dangerous gases.

Canaries in a coal mine are used to detect dangerous gases.

I saw a flock of red factor canaries at the bird show.