"Bird Dog" is a song written by Boudleaux Bryant and recorded by the Everly Brothers. It was released in 1958 and was a #1 hit on the Billboard Country Chart. The song also hit number two on the U.S. Billboard Hot 100 as well as peaking at number two for three weeks on the R&B charts.
The song deals with the singer's dismay that a boy by the name of Johnny is trying to take his girlfriend away. The singer calls him a bird dog as a result of his behavior.