Horicon, WI ~ Grab your binoculars, bring a fellow bird watcher and experience the sights, sounds and natural beauty of birds in peak spring migration to Horicon Marsh. Come to the largest fresh water cattail marsh in the United States where the Horicon Marsh Bird Club will host the 19th annual Bird Festival, from Friday, May 6 to Monday, May 9. From the backyard birder to the world traveler, four days of adventure awaits you by boat, bus and bicycle at Horicon Marsh. Don’t forget to bring the kids! There will be plenty to keep them busy too. Grab your binoculars, bring a fellow bird enthusiast and experience the sights, sounds and natural beauty of birds in peak spring migration to Horicon Marsh. Come to the largest fresh water cattail marsh in the United States where the Horicon Marsh Bird Club will host the 19th annual Bird Festival, May 6 to 9. From the backyard birder to the world traveler, four days of adventure awaits by boat, foot, bus and bicycle at Horicon Marsh. Don’t forget to bring the kids! There will be plenty to keep them busy as well. This is a family friendly event.