Yellow-browed Shrike-Vireo vs Lesser Greenlet

In short

The Yellow-browed Shrike-Vireo is best identified by its prominent yellow supercilium, whereas the Lesser Greenlet lacks this feature and has a pale eye ring. Both species have greenish upperparts, but their head patterns and overall structure differ significantly.

Identification tips

• Look for the yellow supercilium on the Yellow-browed Shrike-Vireo.
• Note the pale eye ring and gray-blue crown of the Lesser Greenlet.
• Observe size: the Yellow-browed Shrike-Vireo is larger and more robust.
• Consider behavior and flocking: Lesser Greenlets often join mixed-species flocks.

Size

The Yellow-browed Shrike-Vireo is generally larger and more robust compared to the smaller, more delicate Lesser Greenlet.

Plumage

The Yellow-browed Shrike-Vireo features a distinct yellow supercilium and a more uniform greenish body. In contrast, the Lesser Greenlet has a slightly gray-blue crown, pale lores, and a pale eye ring, with greenish upperparts and some yellowish elements on the flanks.

Behaviour

Behavioral data for the Yellow-browed Shrike-Vireo is limited, but it is presumed to be similar to the Green Shrike-Vireo, often seen in the canopy. The Lesser Greenlet is also typically found in the canopy, often moving in mixed-species flocks.

Habitat

Both species inhabit forested areas, often in the canopy, but specific habitat preferences are not well-documented for the Yellow-browed Shrike-Vireo.

Voice

Vocalizations are not detailed in the sources, but the Lesser Greenlet is known for its varied and complex calls, which may differ from the Yellow-browed Shrike-Vireo.