Finsch's Bulbul vs Grey-eyed Bulbul

In short

Finsch's Bulbul and Grey-eyed Bulbul are both medium-sized bulbuls with overlapping ranges in Southeast Asia. They are best distinguished by their eye color and subtle differences in plumage and behavior. Both species are often found in similar forest habitats, making vocalizations and eye color key identification features.

Identification tips

1. Eye Color: Look for the grey eye of the Grey-eyed Bulbul versus the dark eye of Finsch's Bulbul. 2. Plumage: Note the more uniform olive color of the Grey-eyed Bulbul compared to the slightly paler underbelly of Finsch's Bulbul. 3. Vocalizations: Listen for the distinctive nasal calls of the Grey-eyed Bulbul. 4. Behavior: Observe the shyness and preference for fruiting trees in the Grey-eyed Bulbul.

Size

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

Plumage

Finsch's Bulbul has a more olive-brown plumage with a slightly paler underbelly, while the Grey-eyed Bulbul is more uniformly olive with a greyish tinge. The most reliable difference is the eye color: Finsch's Bulbul has a dark eye, whereas the Grey-eyed Bulbul has a distinctive grey eye.

Behaviour

Both species are often found in the middle and upper levels of forests, but the Grey-eyed Bulbul is noted for being particularly shy and is more frequently seen at fruiting and flowering trees.

Habitat

Both species inhabit evergreen and mixed deciduous forests, often in similar regions. They are typically found at mid to upper canopy levels.

Voice

The Grey-eyed Bulbul is known for its distinctive short, nasal calls, which can be a useful identification feature. Finsch's Bulbul's vocalizations are less well-documented but are generally not noted as distinctive.