Haydels Great White Snow Goose Call White. The Great White Snow goose call Features a hybrid design acrylic tone board for extra volume and ease of blowing. Many pitches can be achieved with this call simply by opening or closing your hand. Specifications for Haydels GW-18 Great White Snow Goose Call: Manufacturer: Haydels Color: White Species: Goose Package Contents: Haydels GW-18 Great White Snow Goose Call Haydels GW-18: GW-18 Great White Snow Goose Call White