The Great Lakes are home to 5 million birding enthusiasts who frequent shoreline hotspots during all seasons. The Great Lakes shoreline offers many excellent birding oppoortunities, due in part to the desireable landcape features and abundant food supply found at the water's edge. Spring and fall migration seasons bring tremendous numbers of diverse song birds to shoreline forests. Waterbirds visit marshes and nearshore waters, and fascinating marsh birds breed in coastal wetlands. Winter bird sightings include ducks, gulls, and raptors.