2008 Rochester River Challenge / 09 Moose on Genesee Moose Sighting on Genesee River! Rochester River Challenge racers and spectators reported seeing a moose on the Genesee River. Indeed, the moose sighting was confirmed by everyone as the outrigger canoe passed the viewing area and the Amerks Moose could be plainly seen, paddling with his team! Go Amerks!