US Patent 7357693 Novelty whistle

A novelty whistle for generating a sound of an animal includes a housing configured to have air blown therethrough. The housing includes a peripheral wall defining an interior space of the housing. The peripheral wall includes a front portion being substantially shaped like a head of an animal. A sound generation assembly is coupled to the housing and positioned in the interior space of the housing. The sound generation assembly produces the animal sounds when the housing is blown into.