Red-eyed Bulbul vs Plain Sunbird

In short

The Red-eyed Bulbul and the Plain Sunbird are different in both appearance and behavior. The most reliable field mark is the eye color: the Red-eyed Bulbul has a distinctive red eye, while the Plain Sunbird does not. Additionally, the two species differ significantly in their bill shape and feeding behavior.

Identification tips

• Eye color: Look for the red eye in the Red-eyed Bulbul.
• Bill shape: The Red-eyed Bulbul has a more typical bulbul bill, while the Plain Sunbird has a slender, curved bill for nectar feeding.
• Feeding behavior: Observe the feeding habits; bulbuls often eat fruits, while sunbirds are more likely to be seen feeding on flowers.

Size

The Red-eyed Bulbul is generally larger than the Plain Sunbird.

Plumage

The Red-eyed Bulbul has a brownish body with a distinctive red eye, while the Plain Sunbird is more uniformly colored with no red eye.

Behaviour

Red-eyed Bulbuls are often seen in pairs or small groups, feeding on fruits and insects. Plain Sunbirds are more solitary and primarily feed on nectar.

Habitat

Both species can be found in similar habitats such as forests and gardens, but the Red-eyed Bulbul is more adaptable to disturbed areas.

Voice

The vocalizations of these species differ, with the Red-eyed Bulbul having a more varied song compared to the simpler calls of the Plain Sunbird.