“Bird Dog” is a song written by Boudleaux Bryant and recorded by the Everly Brothers 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 musical structure is relatively unusual in that it has a 12 bar blues stanza and an 8 bar blues chorus. Wiki
The Everly Brothers-Bird Dog/Lyrics