Species, GC (%), AT (%), G (bases), C (bases), A (bases), T (bases), Maximum lifespan (yrs) Falco cherrug, 47.8, 52.2, 105, 37, 74, 81, 15.9, Falco columbarius, 49.8, 50.2, 106, 42, 69, 80, 12.7, Falco peregrinus, 45.8, 54.2, 99, 37, 78, 83, 25.0, Falco sparverius, 47.1, 52.9, 103, 37, 77, 80, 17.0, Falco tinnunculus, 49.2, 50.8, 110, 36, 70, 81, 23.8,