The young specimens have a dark bronze-like color that becomes lighter with age.

He got close enough to younger specimens to learn a good many other things.

I'll chose 50 healthy young specimens of the race.

In both locales, there are a considerable number of young and old specimens.

Slated for study are young specimens of the great white shark.

The picture on the right shows young specimens with quite vivid coloration.

There was no reason why she should not fall in love with one of these two attractive young specimens of the male race.

The spines are pink in young specimens, but turn brown with age.

This pattern is clearly visible in young specimens, while older ones are dark or even uniformly black.

They are covered by a partial veil in young specimens.