Red-winged Blackbird vs Song Sparrow

The check that settles it

For the female: song sparrow is far smaller with a short conical bill and a central breast spot.

Red-winged Blackbird

Agelaius phoeniceus

Size
2224 cm
Bill
thin pointed
Where
marsh, open field, feeder
Voice
A gurgling 'conk-la-ree' ending in a trill, and a sharp 'check'.

Song Sparrow

Melospiza melodia

Size
1217 cm
Bill
conical
Where
yard, marsh, feeder, open field
Voice
Three or four clear introductory notes, then a jumbled trill. Highly variable between individuals.

Confirming a red-winged blackbird

  • Male: black with red-and-yellow shoulders, though the red can be hidden when not displaying.
  • Female: heavily streaked dark brown, with a pale eyebrow and a long pointed bill.
  • Sings from the top of a cattail or a fence post with wings spread and tail fanned.
  • Almost always near water or wet ground in the breeding season.

Confirming a song sparrow

  • A dark central spot where the breast streaks converge.
  • Coarse streaking below, not fine.
  • Broad grey eyebrow with a brown stripe above it.
  • Pumps its tail in flight.