Passerellidae
Order: Passeriformes
New World sparrows; ~140 species of small to medium ground-foraging seedeaters distributed across North and South America. Diverse family including towhees, juncos, and sparrows. Many streaked brown but some boldly patterned. Characteristic thick, conical bills for seed-cracking. Often skulky; detected by song.
Species 50
Abert's Towhee
Melozone aberti
American Tree Sparrow
Passerella arborea
Antioquia Brushfinch
Atlapetes blancae
Apurimac Brushfinch
Atlapetes forbesi
Ashy-throated Chlorospingus
Chlorospingus canigularis
Bachman's Sparrow
Peucaea aestivalis
Baird's Junco
Junco bairdi
Baird's Sparrow
Passerculus bairdii
Bay-crowned Brushfinch
Atlapetes seebohmi
Bell's Sparrow
Artemisiospiza belli
Bermuda Towhee
Pipilo naufragus
Black-capped Sparrow
Arremon abeillei
Black-chested Sparrow
Peucaea humeralis
Black-chinned Sparrow
Spizella atrogularis
Black-faced Brushfinch
Atlapetes melanolaemus
Black-fronted Brushfinch
Atlapetes nigrifrons
Black-headed Brushfinch
Arremon atricapillus
Black-spectacled Brushfinch
Atlapetes melanopsis
Black-striped Sparrow
Arremonops conirostris
Black-throated Sparrow
Amphispiza bilineata
Bolivian Brushfinch
Atlapetes rufinucha
Botteri's Sparrow
Peucaea botterii
Brewer's Sparrow
Spizella breweri
Bridled Sparrow
Peucaea mystacalis
California Towhee
Melozone crissalis
Canyon Towhee
Melozone fusca
Caracas Brushfinch
Arremon phaeopleurus
Cassin's Sparrow
Peucaea cassinii
Chaco Sparrow
Rhynchospiza strigiceps
Chestnut-capped Brushfinch
Arremon brunneinucha
Chipping Sparrow
Spizella passerina
Choco Brushfinch
Atlapetes crassus
Cinnamon-tailed Sparrow
Peucaea sumichrasti
Clay-colored Sparrow
Spizella pallida
Collared Towhee
Pipilo ocai
Common Chlorospingus
Chlorospingus flavopectus
Costa Rican Brushfinch
Arremon costaricensis
Costa Rican Ground-sparrow
Melozone cabanisi
Cuzco Brushfinch
Atlapetes canigenis
Dark-eyed Junco
Junco hyemalis
Dusky Chlorospingus
Chlorospingus semifuscus
Dusky-headed Brushfinch
Atlapetes fuscoolivaceus
Eastern Towhee
Pipilo erythrophthalmus
Field Sparrow
Spizella pusilla
Five-striped Sparrow
Amphispiza quinquestriata
Fulvous-headed Brushfinch
Atlapetes fulviceps
Golden-crowned Brush-finch
Atlapetes tricolor
Golden-crowned Sparrow
Zonotrichia atricapilla
Golden-winged Sparrow
Arremon schlegeli
Grasshopper Sparrow
Ammodramus savannarum