Bill Bouton:
Bobolink, Dolichonyx oryzivorous
Bill Bouton:
Bobolink, Dolichonyx oryzivorous
Bill Bouton:
Bobolink, Dolichonyx oryzivorous
Bill Bouton:
Bobolink, Dolichonyx oryzivorous
Bill Bouton:
Red-winged Blackbird, Agelaius phoeniceus
Bill Bouton:
Red-winged Blackbird, Agelaius phoeniceus
Bill Bouton:
Red-winged Blackbird, Agelaius phoeniceus
Bill Bouton:
Red-winged Blackbird, Agelaius phoeniceus
Bill Bouton:
Red-winged Blackbird, Agelaius phoeniceus
Bill Bouton:
Red-winged Blackbird, Agelaius phoeniceus
Bill Bouton:
Red-winged Blackbird, Agelaius phoeniceus
Bill Bouton:
Red-winged Blackbird, Agelaius phoeniceus, male, alternate plumage
Bill Bouton:
Red-winged Blackbird, Agelaius phoeniceus
Bill Bouton:
Red-winged Blackbird, Agelaius phoeniceus
Bill Bouton:
Red-winged Blackbird, Agelaius phoeniceus
Bill Bouton:
Red-winged Blackbird, Agelaius phoeniceus
Bill Bouton:
Red-winged Blackbird, Agelaius phoeniceus
Bill Bouton:
Tricolored Blackbird, Agelaius tricolor, male
Bill Bouton:
Tricolored Blackbird, Agelaius tricolor
Bill Bouton:
Tricolored Blackbird, Agelaius tricolor
Bill Bouton:
Eastern Meadowlark, Sturnella magna, male
Bill Bouton:
Eastern Meadowlark, Sturnella magna, male
Bill Bouton:
Eastern Meadowlark, Sturnella magna
Bill Bouton:
Eastern Meadowlark, Sturnella magna
Bill Bouton:
Chihuahuan Meadowlark, Sturnella magna lilianae
Bill Bouton:
Western Meadowlark, Sturnella neglecta
Bill Bouton:
Western Meadowlark, Sturnella neglecta
Bill Bouton:
Western Meadowlark, Sturnella neglecta
Bill Bouton:
Western Meadowlark, Sturnella neglecta
Bill Bouton:
Western Meadowlark
