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Merlin Bird ID

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    Black-billed Cuckoo Identification

    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
      Measurements
      • 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)