A blooming gift for every entomologist!
Already reached Level 12, islanders? Build the Entomologist's workshop, craft your first Butterfly Net, and set sail for the Island of the Flower Nectar. Once you complete all the quests there, you will receive the Tropical Pond - an artifact that lets you catch Butterflies right on your Home Island!
P.S. You can claim you gift before July 3, 12:59 AM PDT (Pacific Daylight Time).