Cream-vented Bulbul vs Olive-winged Bulbul

In short

The Cream-vented Bulbul and Olive-winged Bulbul can be challenging to distinguish in the field, especially as they often share habitats. The most reliable field mark is the eye color: Cream-vented Bulbul typically has a white or pale iris, while the Olive-winged Bulbul has a dark iris. Both species have similar brown plumage, making structural and behavioral cues important.

Identification tips

1. Eye color: Look for a white or pale iris in the Cream-vented Bulbul and a dark iris in the Olive-winged Bulbul. 2. Plumage: Note any olive tint on the wings for Olive-winged Bulbul, though this is subtle. 3. Habitat and behavior: Observe their position in the forest; both are often in mid to upper levels. 4. Vocalization: Use with caution, as their songs are similar.

Size

Both species are similar in size, typical of medium-sized bulbuls.

Plumage

Both species have generally brown plumage, but the Olive-winged Bulbul may show a slight olive tint on the wings. This is subtle and not always reliable.

Behaviour

Both species are often found in the mid to upper levels of forests, frequently seen foraging in pairs or small groups.

Habitat

Both species inhabit well-wooded areas and are rarely far from tall trees. They often occur together in the same forests.

Voice

Their songs are often similar, making vocalizations a less reliable distinguishing feature.