Speck call
The greater white-fronted goose (Anser albifrons) is a species of goose related to the smaller lesser white-fronted goose. It is named for the patch of white feathers bordering the base of its bill, in fact albifrons comes from the Latin albus "white" and frons" forehead ".
The “Anser” – Scientific family name for white fronted goose.
The call that started the revolution in the speck call industry! During the first few years of introducing the “Anser”, it won almost every calling contest. The “Anser” opened the door for speck calls. It truly started a revolution! 
 
The guts used in the Anser & Twister (Gaston Snow Goose Call) are custom designed to produce the most realistic sounds of a specklebelly or Snow goose! The track record that these guts have left for everyone to follow speak for themselves !