Nesting Sandhill Cranes
We didn't see this at first. But then we heard calling as a bird flew closer announcing itself. We watched until it landed next to its mate and then we saw the nest.. After a few moments, the mate rose. revealing two eggs it had been tending. It stepped off the nest and after a quick inspection to make sure all was well, the other one took its place.
More info: edrosack.com/2019/02/24/love-is-in-the-air/