Other Names: European Cuckoo. Name "cuckoo" has been in use since the 13th century.
Distribution: throughout Europe, Asia, and the Middle East in summer; sub-Saharan Africa in the winter.
Size: 32-36 cm in length with a 54-60 cm wingspan.
Plumage: Males are slate-gray; the gray throat extends well down the bird's breast with a sharp differentiation from the barred underside. The iris, eye ring, the base of the bill and the feet are all yellow. Gray-morph adult females have a pinkish or buff background to the barring and neck sides, and sometimes small chestnut spots on the secondary feathers.
Rufous-morph adult females have reddish-brown uppersides with dark gray or black bars. The black upperside bars are narrower than the rufous bars.