Great Elaenia vs Small-billed Elaenia

In short

The Great Elaenia is larger and more robust than the Small-billed Elaenia, with distinct plumage differences. Great Elaenia is found at higher elevations, while Small-billed Elaenia is more active and vocally conspicuous in open areas. Vocalizations are a key differentiator, as plumage can be misleading.

Identification tips

• Size and structure: Great Elaenia is noticeably larger and more robust.
• Plumage: Look for the black crown and olive-gray underparts in Great Elaenia; Small-billed Elaenia has grayer underparts and an additional wingbar.
• Habitat: Note the elevation; Great Elaenia is found at higher elevations.
• Behavior: Small-billed Elaenia is more active and vocal.
• Voice: Use vocalizations as a primary identification tool, especially for Small-billed Elaenia.

Size

Great Elaenia is very large for the genus, while Small-billed Elaenia is smaller and more typical in size.

Plumage

Great Elaenia is dark gray-brown above with a black crown, thin white eye ring, two white wing bars, olive-gray underparts, and paler yellow on the belly. Small-billed Elaenia has grayer underparts and a third wingbar, with a shorter bill.

Behaviour

Small-billed Elaenia is usually more active and vocally conspicuous, often seen in parks and open areas.

Habitat

Great Elaenia is found at higher elevations between 1500 and 2600 meters. Small-billed Elaenia is found in more open and accessible habitats like parks.

Voice

Vocalizations are more reliable for identification, especially for Small-billed Elaenia, which is vocally conspicuous.