The Great Cuckoo-Dove is a large pigeon with a pale blue-gray head and breast, chestnut back, and long tail. It feeds on fruit and seeds in forests and is usually seen alone or in pairs.
Adults have a pale blue-gray head, neck, and breast, chestnut upperparts, and a very long tail. Females have yellower irises, while juveniles are mainly gray-brown.
It feeds on fruit and seeds in the middle levels and canopy of forests, and sometimes on the ground. At fruiting trees, records include solitary birds, pairs, and groups of up to about ten with other fruit-eating birds.
An extinction-risk assessment has not been added yet.