Diard's Trogon vs Cinnamon-rumped Trogon

In short

Diard's Trogon and Cinnamon-rumped Trogon are similar in appearance but can be distinguished by their rump color and habitat preferences. Diard's Trogon has a distinctive red rump, while the Cinnamon-rumped Trogon, as its name suggests, has a cinnamon-colored rump. Both species inhabit lowland forests, but their vocalizations also offer clues for differentiation.

Identification tips

1. Rump color: Look for the red rump of Diard's Trogon versus the cinnamon rump of the Cinnamon-rumped Trogon. 2. Vocalizations: Listen for the slower coos of Diard's Trogon compared to the faster calls of the Cinnamon-rumped Trogon. 3. Habitat: While both inhabit similar forest types, Diard's Trogon may prefer denser areas. Use a combination of these features for accurate identification.

Size

Both species are similar in size, typical of trogons, with no significant size difference noted.

Plumage

Diard's Trogon features a red rump and a more vibrant red underpart, whereas the Cinnamon-rumped Trogon has a cinnamon-colored rump. Both have green upperparts and a white breast band, but the rump color is the most reliable distinguishing feature.

Behaviour

Both species exhibit typical trogon behavior, often seen perched quietly in the forest mid-story. No significant behavioral differences are noted.

Habitat

Both species are found in lowland and hill forests, but Diard's Trogon may be more frequently encountered in denser forest areas. Habitat overlap is significant, so this is not a reliable differentiator.

Voice

Diard's Trogon has a series of soft, mournful coos, while the Cinnamon-rumped Trogon produces a faster, more rhythmic call. Listening for these vocal differences can aid identification.