A nest of a ruffed grouse with three China pheasant eggs.

Mountain quail nest and eggs. Taken out beyond barn and across field. Image note: large size.

A white-tailed ptarmigan standing over its nest with eggs at Mount Rainier National Park.

The nest and eggs of a white-tailed ptarmigan.

The nest and eggs of a white-tailed ptarmigan.

View of a pheasant’s nest with thirteen eggs.

View of a pheasant’s nest with thirteen eggs.

View of a sharp-tailed grouse nest and eggs. Note on envelope credits image to Alex Walker.

View of a sharp-tailed grouse nest and eggs. Image note: plate light struck. Note on envelope credits image to Alex Walker.

View of a sharp-tailed grouse nest and eggs. Note on envelope credits image to Alex Walker.