Species, GC (%), AT (%), G (bases), C (bases), A (bases), T (bases), Maximum lifespan (yrs) Corvus brachyrhynchos, 40.9, 59.1, 363, 267, 400, 512, 20.0, Corvus cornix, 40.6, 59.4, 363, 268, 404, 521, 16.8, Corvus frugilegus, 40.5, 59.5, 360, 265, 401, 518, 22.9, Corvus hawaiiensis, 40.5, 59.5, 360, 265, 398, 521, 25.0, Garrulus glandarius, 41.2, 58.8, 370, 267, 387, 521, 17.9, Nucifraga columbiana, 40.6, 59.4, 363, 262, 395, 521, 17.4, Pica pica, 41.1, 58.9, 372, 261, 388, 521, 21.7, Pyrrhocorax graculus, 40.0, 60.0, 359, 259, 404, 522, 24.4, Pyrrhocorax pyrrhocorax, 39.9, 60.1, 357, 259, 407, 521, 20.3,