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