Mandagadde Bird Sanctuary is 32Kms from Shimoga city on the way to Thirthahalli you can hear the birds tweeting. This place is picnic spot for birds migrating from far places around the world. The place is surrounded by dense lush green forest and the flow of river Tunga has created a small island which adds to the beauty. The dense trees on the island provides shelter to migrating birds. Birds like Egrets, Bellakki Cormorant, Darter, Snake bird etc immigrate from different parts of the world during may season for breeding A high platform is built on the edge of river Tunga for bird watching. Boats are available for a closer watch .