"this big bore specklebelly goose call is designed to have the full range and volume of a specklebelly goose while maintaining user-friendly operation with its built-in back pressure.Our pan style gut incorporates a shallow, but super wide tone channel.Calls are loud ear-piercing yodels, soft clucks and murmurs.Species: Specklebelly GooseMaterial: PolycarbonateColor: Stealth BlackStyle: Big BoreDifficulty Level: EasySounds: Yodels/Clucks/Murmurs