Credit: Katy Reger<br /><br />A couple were shocked when they found their baby had mastered how to whistle - at just eight months old.<br /><br />Katy and Travis Reger, both 33, discovered that that their son Asher Reger could whistle one day at home.<br /><br />Asher, who is now nine months old, is their first child so the couple didn't think much of it and assumed most babies do it.
