These swans were photographed at Metzger Marsh, between Ottawa National Wildlife Area and Maumee State Park, NW Ohio. The reddish coloration on their heads and necks is from the iron content in the marshy waters, and their method of feeding underwater. In the background is a muskrat house mound.
This swan was sitting in the grassy sides of a waterway in Ottawa National Wildlife Area. The reddish color on its head and neck is from the iron content in the water, from feeding on plants underwater.
Here is a proud Momma Goose with her 5 little goslings. Ottawa National Wildlife Area, NW Ohio.