Skip to main content

Black-billed Cuckoo Identification

Looking for ID Help?

Our free app offers quick ID help with global coverage.

Try Merlin Bird ID

The Four Keys to ID

  • Size & Shape

    Cuckoos are slender, dove-sized birds with a longer slightly curved bill and a very long tail. When perched it often has a hunchbacked posture.

    Relative Size

    Larger than a Baltimore Oriole, smaller than an American Crow.

    Relative Sizebetween robin and crowbetween robin and crow

    • Both Sexes
      • Length: 11.0-12.2 in (28-31 cm)
      • Weight: 1.4-2.3 oz (40-65 g)
      • Wingspan: 13.4-15.8 in (34-40 cm)