A Cold Varient
A classic sound described as a seal bark or dog bark.
Usually worse at nite and 1st thing in the morning. It can be confirmed by your pediatrician. Learn to ignore the sound, but judge the severity by the discomfort of the child. Mild discomfort may respond to steaming the bathroom or a walk outside. More severe breathing trouble needs seen ASAP in the local ER. The root infection is a cold virus