Cassin's Sparrow

21-24 cm

abert%27s-towhee

Melozone aberti

14-15 cm

american-tree-sparrow

Passerella arborea

17-19 cm

antioquia-brushfinch

Atlapetes blancae

18-20 cm

apurimac-brushfinch

Atlapetes forbesi

13-15 cm

ashy-throated-chlorospingus

Chlorospingus canigularis

13-16 cm

bachman%27s-sparrow

Peucaea aestivalis

14-16 cm

baird%27s-junco

Junco bairdi

11-13 cm

baird%27s-sparrow

Passerculus bairdii

17-19 cm

bay-crowned-brushfinch

Atlapetes seebohmi

12-14 cm

belding%27s-sparrow

Passerculus guttatus

12-14 cm

bell%27s-sparrow

Artemisiospiza belli

19-22 cm

bermuda-towhee

Pipilo naufragus

13-14 cm

black-capped-sparrow

Arremon abeillei

13-15 cm

black-chested-sparrow

Peucaea humeralis

13-15 cm

black-chinned-sparrow

Spizella atrogularis

18-20 cm

black-faced-brushfinch

Atlapetes melanolaemus

17-19 cm

black-fronted-brushfinch

Atlapetes nigrifrons

18-20 cm

black-headed-brushfinch

Arremon atricapillus

18-20 cm

black-spectacled-brushfinch

Atlapetes melanopsis

15-17 cm

black-striped-sparrow

Arremonops conirostris

12-14 cm

black-throated-sparrow

Amphispiza bilineata

17-19 cm

bolivian-brushfinch

Atlapetes rufinucha

13-15 cm

botteri%27s-sparrow

Peucaea botterii

13-14 cm

brewer%27s-sparrow

Spizella breweri

12-14 cm

bridled-sparrow

Peucaea mystacalis

20-25 cm

california-towhee

Melozone crissalis

20-23 cm

canyon-towhee

Melozone fusca

17-19 cm

caracas-brushfinch

Arremon phaeopleurus

13-14 cm

chaco-sparrow

Rhynchospiza strigiceps

16-18 cm

chestnut-capped-brushfinch

Arremon brunneinucha

12-15 cm

chipping-sparrow

Spizella passerina

18-20 cm

choco-brushfinch

Atlapetes crassus

13-14 cm

cinnamon-tailed-sparrow

Peucaea sumichrasti

12-14 cm

clay-colored-sparrow

Spizella pallida

18-20 cm

collared-towhee

Pipilo ocai

13-15 cm

common-chlorospingus

Chlorospingus flavopectus

17-19 cm

costa-rican-brushfinch

Arremon costaricensis

15-17 cm

costa-rican-ground-sparrow

Melozone cabanisi

17-19 cm

cream-crowned-brushfinch

Atlapetes paynteri

17-19 cm

cuzco-brushfinch

Atlapetes canigenis

13-17 cm

dark-eyed-junco

Junco hyemalis

13-15 cm

dusky-chlorospingus

Chlorospingus semifuscus

17-19 cm

dusky-headed-brushfinch

Atlapetes fuscoolivaceus

18-23 cm

eastern-towhee

Pipilo erythrophthalmus

13-15 cm

field-sparrow

Spizella pusilla

14-15 cm

five-striped-sparrow

Amphispiza quinquestriata

17-19 cm

fulvous-headed-brushfinch

Atlapetes fulviceps

15-18 cm

golden-crowned-sparrow

Zonotrichia atricapilla

13-14 cm

golden-winged-sparrow

Arremon schlegeli

11-14 cm

grasshopper-sparrow

Ammodramus savannarum

12-14 cm

grassland-sparrow

Ammodramus humeralis

13-15 cm

green-backed-sparrow

Arremonops chloronotus

17-19 cm

green-striped-brushfinch

Arremon virenticeps

17-19 cm

green-tailed-towhee

Pipilo chlorurus

17-19 cm

grey-browed-brushfinch

Arremon assimilis

15-17 cm

grey-crowned-ground-sparrow

Melozone occipitalis

13-15 cm

guadalupe-junco

Junco insularis

13-14 cm

half-collared-sparrow

Arremon semitorquatus

17-20 cm

harris%27s-sparrow

Zonotrichia querula

11-13 cm

henslow%27s-sparrow

Passerculus henslowii

14-16 cm

large-billed-sparrow

Passerculus rostratus

18-20 cm

large-footed-finch

Pezopetes capitalis

15-18 cm

lark-bunting

Calamospiza melanocorys

15-17 cm

lark-sparrow

Chondestes grammacus

11-13 cm

leconte%27s-sparrow

Ammospiza leconteii

12-14 cm

lincoln%27s-sparrow

Melospiza lincolnii

13-14 cm

maranon-sparrow

Arremon nigriceps

17-19 cm

merida-brushfinch

Atlapetes meridae

17-18 cm

moustached-brushfinch

Atlapetes albofrenatus

11-13 cm

nelson%27s-sparrow

Ammospiza nelsoni

14-16 cm

oaxaca-sparrow

Aimophila notosticta

16-17 cm

ochre-breasted-brushfinch

Atlapetes semirufus

17-18 cm

olive-finch

Arremon castaneiceps

14-16 cm

olive-sparrow

Arremonops rufivirgatus

14-15 cm

orange-billed-sparrow

Arremon aurantiirostris

14-16 cm

orange-throated-chlorospingus

Chlorospingus hypophaeus

17-19 cm

pale-headed-brushfinch

Atlapetes pallidiceps

18-20 cm

pale-naped-brushfinch

Atlapetes pallidinucha

17-19 cm

paria-brushfinch

Arremon phygas

14-15 cm

pectoral-sparrow

Arremon taciturnus

17-19 cm

perija-brushfinch

Arremon perijanus

14-16 cm

pirre-chlorospingus

Chlorospingus inornatus

15-17 cm

prevost%27s-ground-sparrow

Melozone biarcuata

15-19 cm

red-fox-sparrow

Passerella iliaca

16-18 cm

rufous-capped-brushfinch

Atlapetes pileatus

13-15 cm

rufous-collared-sparrow

Zonotrichia capensis

13-15 cm

rufous-crowned-sparrow

Aimophila ruficeps

17-19 cm

rufous-eared-brushfinch

Atlapetes rufigenis

12-14 cm

rufous-winged-sparrow

Peucaea carpalis

14-16 cm

rusty-sparrow

Aimophila rufescens

17-19 cm

rusty-bellied-brushfinch

Atlapetes nationi

15-17 cm

rusty-crowned-ground-sparrow

Melozone kieneri

14-16 cm

saffron-billed-sparrow

Arremon flavirostris

13-15 cm

sagebrush-sparrow

Artemisiospiza nevadensis

11-13 cm

saltmarsh-sparrow

Ammospiza caudacuta

13-15 cm

san-benito-sparrow

Passerculus sanctorum

17-19 cm

santa-marta-brushfinch

Atlapetes melanocephalus

13-14 cm

sao-francisco-sparrow

Arremon franciscanus

11-14 cm

savannah-sparrow

Passerculus sandwichensis

12-15 cm

seaside-sparrow

Ammospiza maritima

13-15 cm

short-billed-chlorospingus

Chlorospingus parvirostris

13-14 cm

sierra-madre-sparrow

Xenospiza baileyi

18-20 cm

sierra-nevada-brushfinch

Arremon basilicus

15-19 cm

slate-coloured-fox-sparrow

Passerella schistacea

17-19 cm

slaty-brushfinch

Atlapetes schistaceus

18-20 cm

socorro-towhee

Pipilo socorroensis

12-17 cm

song-sparrow

Melospiza melodia

15-19 cm

sooty-fox-sparrow

Passerella unalaschcensis

14-16 cm

sooty-capped-chlorospingus

Chlorospingus pileatus

13-15 cm

sooty-faced-finch

Arremon crassirostris

17-23 cm

spotted-towhee

Pipilo maculatus

13-15 cm

stripe-crowned-sparrow

Arremon dorbignii

14-16 cm

stripe-headed-sparrow

Peucaea ruficauda

13-15 cm

striped-sparrow

Oriturus superciliosus

12-15 cm

swamp-sparrow

Melospiza georgiana

14-16 cm

tacarcuna-chlorospingus

Chlorospingus tacarcunae

17-19 cm

taczanowski%27s-brushfinch

Atlapetes taczanowskii

14-16 cm

tanager-finch

Oreothraupis arremonops

17-18 cm

tepui-brushfinch

Atlapetes personatus

16-19 cm

thick-billed-fox-sparrow

Passerella megarhyncha

13-14 cm

tocuyo-sparrow

Arremonops tocuyensis

17-19 cm

tricolored-brushfinch

Atlapetes tricolor

14-15 cm

tumbes-sparrow

Rhynchospiza stolzmanni

13-16 cm

vesper-sparrow

Pooecetes gramineus

17-18 cm

vilcabamba-brushfinch

Atlapetes terborghi

13-15 cm

volcano-junco

Junco vulcani

17-19 cm

white-browed-brushfinch

Arremon torquatus

15-18 cm

white-crowned-sparrow

Zonotrichia leucophrys

15-18 cm

white-eared-ground-sparrow

Melozone leucotis

18-20 cm

white-headed-brushfinch

Atlapetes albiceps

17-19 cm

white-naped-brushfinch

Atlapetes albinucha

18-20 cm

white-rimmed-brushfinch

Atlapetes leucopis

15-17 cm

white-throated-sparrow

Zonotrichia albicollis

19-21 cm

white-throated-towhee

Melozone albicollis

17-19 cm

white-winged-brushfinch

Atlapetes leucopterus

13-14 cm

worthen%27s-sparrow

Spizella wortheni

17-19 cm

yellow-breasted-brushfinch

Atlapetes latinuchus

13-15 cm

yellow-browed-sparrow

Ammodramus aurifrons

14-16 cm

yellow-eyed-junco

Junco phaeonotus

16-17 cm

yellow-green-brushfinch

Pselliophorus luteoviridis

17-19 cm

yellow-headed-brushfinch

Atlapetes flaviceps

14-16 cm

yellow-mandibled-sparrow

Arremon axillaris

16-18 cm

yellow-striped-brushfinch

Atlapetes citrinellus

17-18 cm

yellow-thighed-brushfinch

Pselliophorus tibialis

14-16 cm

yellow-throated-chlorospingus

Chlorospingus flavigularis

13-14 cm

yungas-sparrow

Rhynchospiza dabbenei

15-16 cm

zapata-sparrow

Torreornis inexpectata