Black Coucal vs Green Malkoha

In short

The Black Coucal and Green Malkoha are both members of the cuckoo family but differ significantly in appearance and habitat preference. The Black Coucal is mostly black with a seasonal rufous plumage, while the Green Malkoha has a green sheen and a bright yellow bill. Their vocalizations and preferred habitats also provide clues for identification.

Identification tips

• Look for the bright yellow bill and green sheen on the Green Malkoha.
• Note the black plumage of the Black Coucal, especially outside the breeding season.
• Listen for the metallic clicking of the Green Malkoha.
• Consider habitat: open grasslands for Black Coucal, dense thickets for Green Malkoha.

Size

Both species are similar in size, typical of medium-sized cuckoos, but the Green Malkoha may appear slightly more elongated due to its longer tail.

Plumage

The Black Coucal is predominantly black with a seasonal rufous phase, whereas the Green Malkoha is generally dark with a green sheen on the upperparts and a bright chrome-yellow bill. The Green Malkoha also has colorful orbital skin.

Behaviour

The Black Coucal is often seen in open grasslands and may be more conspicuous when perched. In contrast, the Green Malkoha is unobtrusive, often remaining hidden in dense thickets and creepers.

Habitat

Black Coucals prefer open grasslands and marshy areas, while Green Malkohas inhabit dense thickets, forest edges, and secondary growth, mainly in lowland areas but sometimes at higher elevations.

Voice

The Green Malkoha is often detected by its distinctive metallic clicking sounds. The Black Coucal's vocalizations are less well-documented but are not known for metallic clicks.