Adults have a long square tail, gray at the end.

His hair, although still black, like her father's was going grey at the temples.

His curly black hair, going a bit gray at the sides, was all over the place.

And the gray at his temples making him look, what?

His hair was black too, no gray at all.

His set face was grey as the sky at dawn.

They were of a blue that was almost gray at times.

He was about fifty, but the gray at the sides made him seem older.

His dark hair was short and just beginning to gray at the temples.

The doctor was a tall, older man with gray at the temples.