harbinger

The cock is the harbinger of dawn.

witch hazels are the harbingers of spring.

The cuckoo is a harbinger of spring.

The crow of the cock is a harbinger of dawn.

Their thirst for reinvention saw the elegantly quiffed Hamburg rockers become the mop-topped fab four, hippy harbingers of sexual liberation and, eventually, druggy psychedelic visionaries.

The sudden drop in temperature was a harbinger of the coming storm.

The first robin of spring is often seen as a harbinger of warmer weather.

Her success in the local competition was a harbinger of her future career in music.

The dark clouds gathering in the sky were a harbinger of the approaching thunderstorm.

The economic downturn served as a harbinger of tough times ahead.

The early signs of fatigue were a harbinger of the athlete's impending injury.

The increase in crime rates is often seen as a harbinger of social unrest.

The sudden appearance of migratory birds is a harbinger of the changing seasons.

The new technology was a harbinger of the digital revolution to come.

The early blooming of flowers was a harbinger of an early spring.