Fresh Grass
The chickens have made a big leap in size. Suddenly their grassy patch doesn't look so, um, grassy:
They definitely stayed a few days too long before I realized that they had made the leap from little fluffy chicks into scratching and pecking machines.
A quick move of the chicken tractor later and the chickens are on fresh grass.
It was pretty gratifying to watch them literally jump with joy as they scratched and pecked in the new grass, completely ignoring their feeder.