Also known as: European Cuckoo
33 cm (13") Eurasian species. Rare visitor to Aleutians and Pribilofs.
Resembles Oriental Cuckoo. Grayish above; light below. Long tail. Heavily barred across lower breast and belly. A rusty-brown hepatic phase has barring above and below.
In flight; resembles a small falcon.
Song: "cuc-oo".