Boreal Owl Identification

Adult Description

  • Small owl.
  • No ear tufts.
  • White face outlined in black.
  • Fine spots on top of head.
  • Underparts dirty white, streaked with brown.
  • Bill yellow.

Immature Description

Upperparts completely dark brown, underparts paler brown. White X on face, made up of eyebrows and white marks below bill.
Relative Size

Relative Sizerobin sizedrobin-sized
Measurements
  • Both Sexes
    • Length: 8.3-11.0 in (21-28 cm)
    • Weight: 3.3-7.6 oz (93-215 g)
    • Wingspan: 21.6-24.4 in (55-62 cm)