Sumatran Ground-Cuckoo vs Bornean Ground-Cuckoo

In short

The Sumatran Ground-Cuckoo and Bornean Ground-Cuckoo are similar in appearance but can be distinguished by their facial skin color and geographic location. The Sumatran Ground-Cuckoo has blue facial skin, while the Bornean Ground-Cuckoo has green facial skin. Both species are elusive and primarily found in their respective islands' lowland and montane forests.

Identification tips

1. Facial Skin Color: Look for blue facial skin on the Sumatran Ground-Cuckoo and green on the Bornean Ground-Cuckoo. 2. Location: Consider the geographic location; Sumatran Ground-Cuckoo is on Sumatra, and Bornean Ground-Cuckoo is on Borneo. 3. Behavior: Both are elusive and found on the forest floor, so patience and careful observation are needed.

Size

Both species are similar in size, sharing a robust body typical of ground-cuckoos.

Plumage

Both species have a similar overall plumage with dark upperparts and paler underparts. The key difference is in the facial skin color: blue in the Sumatran Ground-Cuckoo and green in the Bornean Ground-Cuckoo.

Behaviour

Both species are secretive and terrestrial, often seen walking on the forest floor. They are known for their shy and elusive nature.

Habitat

The Sumatran Ground-Cuckoo is found in the forests of Sumatra, while the Bornean Ground-Cuckoo inhabits the forests of Borneo. Both prefer lowland and montane forests.

Voice

Vocalizations are not well-documented for either species, making it unreliable for identification.