Lesser Ground Cuckoo was created in 1842.
It's a ground cuckoo. And not entirely "flightless." They prefer the ground, but they can and do fly.
Cuckoo Patrol was created in 1967.
Guira Cuckoo was created in 1788.
Cuckoo Line was created in 1880.
Cuckoo wrasse was created in 1758.
Cuckoo in the Clock was created in 1939.
Oriental Cuckoo was created in 1845.
The Cuckoo's Secret was created in 1922.
Philippine Cuckoo-Dove was created in 1854.
I'm a Cuckoo was created on 2004-02-16.
Long-billed Cuckoo was created in 1858.
The Cuckoo Waltz was created on 1975-10-27.