

The Birds · Plate CLXIII
Bobolink
Dolichonyx oryzivorus
Icteridae · Taxon 10487
| Length | Female and male: 6.3–7.1 in (16–18 cm) |
| Wingspan | Female and male: 10.6–11.8 in (27–30 cm) |
| Weight | Female: 1.0–1.6 oz (28–45 g); male: 1.1–2.1 oz (30–60 g) |
Field marks
- Compact songbird with a large, somewhat flat head and short neck.
- Short, sharply pointed bill; pinkish in female and nonbreeding plumages, darker in breeding males.
- Breeding male is black below and on the face, with a white back, shoulders, and rump plus a straw-colored nape.
- Female and nonbreeding plumages are warm buff-brown with bold dark crown stripes, a dark eyeline, and streaked back and flanks.
- Pointed wings and a short, rounded, multi-pointed tail.
- Dark eyes and slender pinkish legs and feet.
HabitatTall grasslands, uncut pastures, overgrown fields, meadows, and prairies; also marshes and agricultural fields during molt and migration.
BehaviorForages for seeds and insects on the ground and among grass stems, often clinging to seed heads. Breeding males perform low, fluttering song flights; outside the nesting season, Bobolinks are social and often travel or feed in flocks.
Palette