Monarch Butterfly Migration Updated by Dedicated Naturalists Put-in-Bay Daily 11 years ago Migration almost complete! Click logo for details! Butterfly seen at SBI Lighthouse waystation on 31 August 2015 Butterflies, Mazes, and Caves–All Waiting for You on South Bass IslandDate7 May 2013In relation toLegacy ReportsButterflies, Mazes, and Caves–All Waiting for You on South Bass IslandDate13 May 2013In relation toLegacy ReportsIsland Green Week Returns to Bass IslandsDate23 July 2017In relation toLegacy Reports
