Black-capped Vireo Identification

Adult Description

  • Small songbird.
  • Black or dark gray head.
  • Red eyes surrounded by white spectacles.
  • Back olive.
  • Underparts white.
  • Two pale wingbars.

Male Description

Forehead, crown, nape, auriculars, and cheek black. Underparts white, with greenish or yellow flanks. Back olive-green. Wings black with two pale yellowish wingbars.

Female Description

Similar to male, but slightly duller. Cap gray instead of black.

Immature Description

Immature similar to adult female, but with dark brown eyes instead of red. Yearling male with gray on nape and back of crown.
Relative Size

Relative Sizesparrow or smallersparrow-sized or smaller
Measurements
  • Both Sexes
    • Length: 4.3 in (11 cm)
    • Weight: 0.3-0.3 oz (8-10 g)
    • Wingspan: 7.1 in (18 cm)