Nature’s first green is gold,
Her hardest hue to hold.
Her early leaf’s a flower;
But only so an hour.
Then leaf subsides to leaf.
So Eden sank to grief,
So dawn goes down to day.
Nothing gold can stay.
-Robert Frost
Northern Flicker, showing why it is known as “Yellow-shafted Flicker”
Yellow-rumped Warbler, showing the yellow rump
The golden days of Spring, soon to give way to the deep green of Summer