Neornithes Gadow, 1893 - living birds
   Neognathae Pycraft 1900 see Cohort Neognathae Pycraft, 1900
     Neoaves Sibley et al. 1988 see Subcohort Neoaves Sibley et al., 1988
       [Order] Passeriformes Linnaeus, 1758
         oscines see Suborder Oscines
           Passerida - passeridans see Parvorder Passerida (C. Linnaeus, 1758) Sibley et al., 1988
             Passeroidea
               Family Emberizidae Vigors, 1825 - buntings, American sparrows and allies
                 Subfamily Emberizinae see Family Emberizidae Vigors, 1825
                   Genus Ammodramus Swainson, 1827
                     1 Ammodramus maritimus (A. Wilson, 1811) - Cape Sable seaside sparrow
                     2 Ammodramus nelsoni J.A. Allen, 1875 - Nelson's sharp-tailed sparrow
                     3 Ammodramus caudacutus (J.F. Gmelin, 1788) - saltmarsh sharp-tailed sparrow
                     4 Ammodramus leconteii (Audubon, 1844) - Le Conte's sparrow
                     5 Ammodramus bairdii (Audubon, 1844) - Baird's sparrow
                     6 Ammodramus henslowii (Audubon, 1829) - Henslow's sparrow
                     7 Ammodramus savannarum (J.F. Gmelin, 1789) - grasshopper sparrow