| Genus/Species | Common Name | Image |
| Aimophila notosticta | Oaxaca Sparrow |  |
| Aimophila rufescens | Rusty Sparrow |  |
| Aimophila ruficeps | Rufous-crowned Sparrow |  |
| Ammodramus aurifrons | Yellow-browed Sparrow |  |
| Ammodramus humeralis | Grassland Sparrow |  |
| Ammodramus savannarum | Grasshopper Sparrow |  |
| Ammospiza caudacutus | Saltmarsh Sparrow |  |
| Ammospiza leconteii | Le Conte's Sparrow |  |
| Ammospiza maritimus | Seaside Sparrow |  |
| Ammospiza nelsoni | Nelson's Sparrow |  |
| Amphispiza bilineata | Black-throated Sparrow |  |
| Amphispizopsis quinquestriata | Five-striped Sparrow |  |
| Arremon abeillei | Black-capped Sparrow |  |
| Arremon assimilis | Grey-browed Brush-finch |  |
| Arremon atricapillus | Black-headed Brush-finch |  |
| Arremon aurantiirostris | Orange-billed Sparrow |  |
| Arremon basilicus | Sierra Nevada Brush-finch |  |
| Arremon brunneinucha | Chestnut-capped Brush-finch |  |
| Arremon castaneiceps | Olive Finch |  |
| Arremon costaricensis | Costa Rican Brush-finch |  |
| Arremon crassirostris | Sooty-faced Finch |  |
| Arremon dorbignii | Moss-backed Sparrow |  |
| Arremon flavirostris | Saffron-billed Sparrow |  |
| Arremon franciscanus | Sao Francisco Sparrow |  |
| Arremon perijanus | Perija Brush-finch |  |
| Arremon phaeopleurus | Caracas Brush-finch |  |
| Arremon phygas | Paria Brush-finch |  |
| Arremon schlegeli | Golden-winged Sparrow |  |
| Arremon semitorquatus | Half-collared Sparrow |  |
| Arremon taciturnus | Pectoral Sparrow |  |
| Arremon torquatus | Stripe-headed Brush-finch |  |
| Arremon virenticeps | Green-striped Brush-finch |  |
| Arremonops chloronotus | Green-backed Sparrow |  |
| Arremonops conirostris | Black-striped Sparrow |  |
| Arremonops rufivigatus | Olive Sparrow |  |
| Arremonops tocuyensis | Tocuyo Sparrow |  |
| Artemisiospiza belli | Sage Sparrow |  |
| Artemisiospiza nevadensis | Sagebrush Sparrow |  |
| Atlapetes albiceps | White-headed Brush-finch |  |
| Atlapetes albinucha | White-naped Brush-finch |  |
| Atlapetes albofrenatus | Moustached Brush-finch |  |
| Atlapetes blancae | Antioquia Brush-finch |  |
| Atlapetes canigenis | Cuzco Brush-finch |  |
| Atlapetes citrinellus | Yellow-striped Brush-finch |  |
| Atlapetes crassus | Choco Brush-finch |  |
| Atlapetes flaviceps | Yellow-headed Brush-finch |  |
| Atlapetes forbesi | Apurimac Brush Finch |  |
| Atlapetes fulviceps | Fulvous-headed Brush-finch |  |
| Atlapetes fuscoolivaceus | Dusky-headed Brush-finch |  |
| Atlapetes latinuchus | Rufous-naped Brush-finch |  |
| Atlapetes leucopis | White-rimmed Brush-finch |  |
| Atlapetes leucopterus | White-winged Brush-finch |  |
| Atlapetes luteoviridis | Yellow-green Brush-finch |  |
| Atlapetes melanocephalus | Santa Marta Brush-finch |  |
| Atlapetes melanolaemus | Grey-eared Brush-finch |  |
| Atlapetes melanopsis | Black-spectacled Brush-finch |  |
| Atlapetes meridae | Merida Brush-finch |  |
| Atlapetes nationi | Rusty-bellied Brush-finch |  |
| Atlapetes nigrifrons | Black-fronted Brush-finch |  |
| Atlapetes pallidiceps | Pale-headed Brush-finch |  |
| Atlapetes pallidinucha | Pale-naped Brush-finch |  |
| Atlapetes personatus | Tepui Brush-finch |  |
| Atlapetes pileatus | Rufous-capped Brush-finch |  |
| Atlapetes rufigenis | Rufous-eared Brush-finch |  |
| Atlapetes rufinucha | Bolivian Brush-finch |  |
| Atlapetes schistaceus | Slaty Brush-finch |  |
| Atlapetes seebohmi | Bay-crowned Brush-finch |  |
| Atlapetes semirufus | Ochre-breasted Brush-finch |  |
| Atlapetes terborghi | Vilcabamba Brush-finch |  |
| Atlapetes tibialis | Yellow-thighed Brush-finch |  |
| Atlapetes tricolor | Tricoloured Brush-finch |  |
| Calamospiza melanocorys | Lark Bunting |  |
| Centronyx bairdii | Baird's Sparrow |  |
| Centronyx henslowii | Henslow's Sparrow |  |
| Chlorospingus canigularis | Ashy-throated Bush-tanager |  |
| Chlorospingus flavigularis | Yellow-throated Bush-tanager |  |
| Chlorospingus flavovirens | Yellow-green Bush-tanager |  |
| Chlorospingus inornatus | Pirre Bush-tanager |  |
| Chlorospingus parvirostris | Yellow-whiskered Bush-tanager |  |
| Chlorospingus pileatus | Sooty-capped Bush-tanager |  |
| Chlorospingus semifuscus | Dusky Bush-tanager |  |
| Chlorospingus tacarcunae | Tacarcuna Bush-tanager |  |
| Chondestes grammacus | Lark Sparrow |  |
| Junco bairdi | Baird's Junco |  |
| Junco hyemalis | Dark-eyed Junco |  |
| Junco insularis | Guadalupe Junco |  |
| Junco phaeonotus | Yellow-eyed Junco |  |
| Junco vulcani | Volcano Junco |  |
| Melospiza georgiana | Swamp Sparrow |  |
| Melospiza lincolnii | Lincoln's Sparrow |  |
| Melospiza melodia. | Song Sparrow |  |
| Melozone aberti | Abert's Towhee |  |
| Melozone albicollis | White-throated Towhee |  |
| Melozone biarcuata | Prevost's Ground-sparrow |  |
| Melozone cabanisi | Costa Rican Ground-sparrow |  |
| Melozone crissalis | California Towhee |  |
| Melozone fusca | Canyon Towhee |  |
| Melozone kieneri | Rusty-crowned Ground-sparrow |  |
| Melozone leucotis | White-eared Ground-Sparrow |  |
| Oreothraupis arremonops | Tanager-finch |  |
| Oriturus superciliosus | Striped Sparrow |  |
| Passerculus sandwichensis | Savannah Sparrow |  |
| Passerella iliaca | Fox Sparrow |  |
| Passerella megarhyncha | Thick-billed Fox Sparrow |  |
| Passerella schistacea | Slate-coloured Fox Sparrow |  |
| Passerella unalaschcensis | Sooty Fox Sparrow |  |
| Peucaea aestivalis | Bachman's Sparrow |  |
| Peucaea botterii | Botteri's Sparrow |  |
| Peucaea carpalis | Rufous-winged Sparrow |  |
| Peucaea cassinii | Cassin's Sparrow |  |
| Peucaea humeralis | Black-chested Sparrow |  |
| Peucaea mystacalis | Bridled Sparrow |  |
| Peucaea ruficauda | Stripe-headed Sparrow |  |
| Peucaea sumichrasti | Cinnamon-tailed Sparrow |  |
| Pezopetes capitalis | Large-footed Finch |  |
| Pipilo chlorurus | Green-tailed Towhee |  |
| Pipilo erythrophthalmus | Eastern Towhee |  |
| Pipilo maculatus | Spotted Towhee |  |
| Pipilo ocai | Collared Towhee |  |
| Pooecetes gramineus | Vesper Sparrow |  |
| Rhynchospiza stolzmanni | Tumbes Sparrow |  |
| Rhynchospiza strigiceps | Stripe-capped Sparrow |  |
| Spizella atrogularis | Black-chinned Sparrow |  |
| Spizella breweri | Brewer's Sparrow |  |
| Spizella pallida | Clay-coloured Sparrow |  |
| Spizella passerina | Chipping Sparrow |  |
| Spizella pusilla | Field Sparrow |  |
| Spizella wortheni | Worthen's Sparrow |  |
| Spizelloides arborea | American Tree Sparrow |  |
| Torreornis inexpectata | Zapata Sparrow |  |
| Xenospiza baileyi | Sierra Madre Sparrow |  |
| Zonotrichia albicollis | White-throated Sparrow |  |
| Zonotrichia atricapilla | Golden-crowned Sparrow |  |
| Zonotrichia capensis | Rufous-collared Sparrow |  |
| Zonotrichia leucophrys | White-crowned Sparrow |  |
| Zonotrichia querula | Harris' Sparrow |  |