When blowing the governement hunter cottontail call, a super gravely sound is createdl.Blowing on the opposite end gets a squeaker sound for close in calling.Hyper-ventilating death cries can be accomplished by blowing and sucking air from either end.Type: Predator CallSpecies: PredatorMaterial: AcrylicSound Species: Baby Cottontail/JackrabbitElectronic: NoBattery: NoneColor: ClearSounds: Squeaker/Death Cries