Daniel J. Field:
Fulvous-headed Brush Finch (Atlapetes fulviceps)
Daniel J. Field:
Rufous-collared Sparrow (Zonotrichia capensis), Esteros del Iberá, Corrientes, Argentina
Daniel J. Field:
Field Sparrow (Spizella pusilla), Watch Hill, Rhode Island
Daniel J. Field:
White-crowned Sparrow (Zonotrichia leucophrys), Antelope Island State Park, Utah
Daniel J. Field:
Song Sparrow (Melospiza melodia), Bodega Bay, California
Daniel J. Field:
Bachman's Sparrow (Peucaea aestivalis), Croatan National Forest, North Carolina
Daniel J. Field:
Bachman's Sparrow (Peucaea aestivalis), Croatan National Forest, North Carolina
Daniel J. Field:
Lark Sparrow (Chondestes grammacus), Brooks, Alberta
Daniel J. Field:
Black-throated Sparrow (Amphispiza bilineata), Saguaro National Park, Arizona
Daniel J. Field:
Black-throated Sparrow (Amphispiza bilineata), Portal, Arizona
Daniel J. Field:
Black-throated Sparrow (Amphispiza bilineata), Portal, Arizona
Daniel J. Field:
Botteri's Sparrow (Peucaea botterii), Florida Wash, Arizona
Daniel J. Field:
American Tree Sparrow (Spizelloides arborea), New Haven, Connecticut
Daniel J. Field:
Lark Sparrow (Chondestes grammacus), Dinosaur Provincial Park, Alberta
Daniel J. Field:
Eastern Towhee (Pipilo erythrophthalmus), Watch Hill, Rhode Island
Daniel J. Field:
Eastern Towhee (Pipilo erythropthalmus), Durham, North Carolina
Daniel J. Field:
Canyon Towhee (Melozone fusca), Portal, Arizona
Daniel J. Field:
Yellow-striped Brush Finch (Atlapetes citrinellus), Tafí del Valle, Tucumán, Argentina
Daniel J. Field:
Yellow-eyed Junco (Junco phaeonotus), Madera Canyon, Arizona
Daniel J. Field:
Song Sparrow (Melospiza melodia), Maple Valley, Washington
Daniel J. Field:
Spotted Towhee (Pipilo maculatus), Dinosaur Ridge, Colorado
Daniel J. Field:
Sierra Madre Sparrow (Xenospiza baileyi), Las Maravillas, Morelos, Mexico
Daniel J. Field:
Striped Sparrow (Oriturus superciliosus), Parque Las Maravillas Park, Morelos, Mexico
Daniel J. Field:
Spotted Towhee (Pipilo maculatus), Maple Valley, Washington
Daniel J. Field:
Lark Bunting (Calamospiza melanocorys), Pawnee National Grassland, Colorado
Daniel J. Field:
Grasshopper Sparrow (Ammodramus savannarum), Pawnee National Grassland, Colorado
Daniel J. Field:
Rufous-collared Sparrow (Zonotrichia capensis), Serra da Canastra, Minas Gerais, Brazil
Daniel J. Field:
Golden-crowned Sparrow (Zonotrichia atricapilla), Delta, British Columbia, Canada
Daniel J. Field:
Spotted Towhee (Pipilo maculatus), Vancouver, British Columbia, Canada
Daniel J. Field:
American Tree Sparrow (Spizelloides arborea), New Haven, Connecticut