Beggars Banquet Records: Biffy Clyro: Record label's site, with news, tour dates, biography, discography, RealAudio and RealVideo files.
Biffy Clyro: The official site, with tour dates, biography, discography, photographs, frequently asked questions, desktop wallpaper, and message board. [Requires Flash]
Biffy Clyro - Musical Bliss: Contains lyrics, tabs, biography, discography, gig listing, merchandise, and news on the band.