Lark Sparrow Identification

Adult Description

  • Large sparrow.
  • Long, rounded tail with white corners.
  • Plain whitish underparts with large dark spot in center of breast.
  • Striking face pattern.

Immature Description

Juvenile with brown streaks on chest. Face pattern more obscure with browns instead of chestnut and black, and dirty white stripes. First winter has adult pattern, but duller on face.
Relative Size

Relative Sizesparrow or smallersparrow-sized or smaller
Measurements
  • Both Sexes
    • Length: 5.9-6.7 in (15-17 cm)
    • Weight: 0.8-1.2 oz (24-33 g)
    • Wingspan: 11.0 in (28 cm)