Grey-headed Elaenia vs Small-headed Elaenia

In short

The Grey-headed Elaenia and Small-headed Elaenia are both small flycatchers, but they can be distinguished by head size and plumage details. The Grey-headed Elaenia has a more prominent head and a distinct grey crown, while the Small-headed Elaenia has a less pronounced head and lacks the grey crown.

Identification tips

1. Look for the grey crown on the Grey-headed Elaenia. 2. Note the head size: Grey-headed has a more prominent head. 3. Observe the upperpart coloration: Grey-headed is more greyish-green, Small-headed is more olive. 4. Consider the habitat: Grey-headed in lowland forests, Small-headed in montane forests.

Size

The Grey-headed Elaenia generally appears larger due to its more prominent head, while the Small-headed Elaenia has a smaller, less noticeable head.

Plumage

The Grey-headed Elaenia features a distinct grey crown and a more uniform greyish-green upperpart. In contrast, the Small-headed Elaenia lacks the grey crown and has a more olive-toned upperpart.

Behaviour

Both species exhibit typical flycatcher behavior, often seen sallying from perches to catch insects. Specific behavioral differences are not well-documented.

Habitat

Both species inhabit forested areas, but the Grey-headed Elaenia is more often found in subtropical or tropical moist lowland forests, while the Small-headed Elaenia prefers subtropical or tropical moist montane forests.

Voice

Vocalizations are not well-documented for these species, and differences in calls or songs are not clearly noted.