In a mast year, oak trees drop so many acorns that the forest floor is carpeted and wildlife populations surge.

A solitary year-bird nested high in the rainforest canopy, its booming call echoing through the valley.

The year-birds returned to the marsh earlier than expected this spring.

The ruins of the year lay scattered across the shoreline after the storm.

Every October the ruin of the year spreads like a quiet grief over the hedgerows, turning leaves to ash and gold.

The library added several old year-books to its archives yesterday.

The archaeologist identified several year marks on the pottery shards to estimate their ages.

Health economists often use quality-adjusted life years to compare the benefits of different treatments.

At the interview, when they asked my age, I replied, I'm twenty years old and ready to start my career.

The child, wise beyond one's years, often surprised adults with mature insights.