Greenish Tyrannulet vs Reiser's Tyrannulet

In short

The Greenish Tyrannulet and Reiser's Tyrannulet are both small, olive-green Phyllomyias species with subtle differences. Key distinctions include the Greenish Tyrannulet's more pronounced wing bars and pale supercilium, while Reiser's Tyrannulet may appear slightly duller overall.

Identification tips

• Look for the double wing bars and pale supercilium on the Greenish Tyrannulet.
• Note the overall duller appearance of Reiser's Tyrannulet.
• Observe flocking behavior; Greenish Tyrannulet often joins mixed-species flocks.

Size

Both species are similar in size, typical of small tyrannulets.

Plumage

Greenish Tyrannulet has obvious double wing bars and a pale supercilium with pale yellowish-white underparts. Reiser's Tyrannulet is also olive-green but may appear slightly duller, with less pronounced wing bars.

Behaviour

Greenish Tyrannulet frequently joins mixed-species flocks, foraging in the canopy and at middle levels. Behavior specifics for Reiser's Tyrannulet are less documented.

Habitat

Both species inhabit similar environments, but Reiser's Tyrannulet faces habitat destruction across its range.