Crested Oropendola vs Chestnut-headed Oropendola

In short

The Crested Oropendola and Chestnut-headed Oropendola can be distinguished by head color and tail patterns. The Crested Oropendola has a mostly black body with a chestnut rump and yellow tail, while the Chestnut-headed Oropendola features a distinctive chestnut head and neck.

Identification tips

1. Look for the chestnut head in the Chestnut-headed Oropendola. 2. Note the chestnut rump and yellow tail in the Crested Oropendola. 3. Check for blue irides in the Crested Oropendola. 4. Observe any seasonal movements, which may indicate Crested Oropendola presence.

Size

Both species are similar in size, typical of large oropendolas.

Plumage

The Crested Oropendola is largely black with a chestnut rump and yellow tail, and blue irides. The Chestnut-headed Oropendola has a chestnut head and neck, with a more uniform dark body and yellow tail.

Behaviour

Both species may be found in colonies and are often attended by parasitic Giant Cowbirds. Seasonal movements are noted in the Crested Oropendola.

Habitat

The Crested Oropendola is found below 1000 m but can reach up to 2600 m in Colombia. The Chestnut-headed Oropendola's habitat preferences are not detailed here.

Voice

Vocalizations are not detailed in the provided notes.