Merlin Bird Graphic

Merlin Bird ID

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    Black-billed Cuckoo Identification

    Adult Description

    • Slender, long-tailed bird colored in soft browns and grays.
    • Bill all black.

    Immature Description

    Resemble adults, but more brownish with less distinct tail pattern. Primaries with cinnamon tinge. Orbital ring yellowish.
    Relative Size

    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)