Slender body with a long tail and short legs; dark-gray wings; lighter gray head and chest; barred underparts. A rufous morph occasionally occurs in females and juveniles.
Cuckoos are brood parasites that lay eggs in the nests of other bird species, relying on the host parents to raise their young.
Caterpillars and other insects, and some eggs and chicks.
Breeds in Europe; winters in Africa; migrates south through Jordan in autumn and north in spring. Migrants fly over western valleys, including Wadi Zarqa, Wadi Dana, and Petra.