Crested Oropendola vs Red-rumped Cacique

In short

The Crested Oropendola and Red-rumped Cacique are both large, mostly black birds with distinct rump colors. The Crested Oropendola has a chestnut rump and a yellow tail, while the Red-rumped Cacique features a bright red rump. Both species have blue irides, but their tail colors are key in distinguishing them.

Identification tips

• Tail Color: Look for the yellow tail of the Crested Oropendola versus the red rump of the Red-rumped Cacique.
• Rump Visibility: The red rump of the Red-rumped Cacique can be hidden under folded wings, so check in flight.
• Eye Color: Both species have blue irides, but note the overall plumage and tail for identification.
• Flight Behavior: Observe in flight for clearer views of rump and tail colors.

Size

Crested Oropendola is generally larger than the Red-rumped Cacique, with males of the latter being 25–29 cm long.

Plumage

Crested Oropendola is largely black with a chestnut rump and yellow tail. Red-rumped Cacique is black with a bright red rump, which can be hidden when perched.

Behaviour

Crested Oropendola often forms colonies attended by Giant Cowbirds, while Red-rumped Cacique's behavior is less noted for such associations.

Habitat

Crested Oropendola is found below 1000 m but can reach up to 2600 m in Colombia, suggesting some seasonal movements. Red-rumped Cacique's specific habitat preferences are less detailed.