At dawn, grey-necked wood rails slipped through the mangroves as if searching for secrets.

When judging unfamiliar customs, remember that all cats are grey by night.

At every family meeting, Grandpa would chuckle and say the grey mare is the better horse, reminding us who really runs the household.

The South American grey fox scavenged along the coastal cliffs at dusk.

She gets grey hair from stressing about work deadlines, even though she's only in her thirties.

She's constantly getting grey hair from worrying about deadlines.

Endless meetings and surprise audits were giving someone grey hair in the finance team.

I got grey hair from worrying about my sick dog.

My sister has gotten grey hair from staying up late to finish her medical residency rotations.

Working around the clock on the project gives someone grey hair, but finishing it is worth the stress.