In late afternoon yesterday, I prepared to take our household trash to the disposal station north of us. I gathered the bags and went outside to load them, and I noticed a large bird’s nest on the ground beneath the weeping willow tree. The day had been gusty and the wind had taken the intricate structure down. I started to just ignore it for the time being, but that curious little voice inside me urged me to go look at the nest. There might be eggs inside, said the voice. So I went to the nest, marveling as I always do at the workmanship and careful design a bird can…