Yellow-billed Cuckoo vs Indian Golden Oriole

In short

The bill color is the most reliable field mark: the Yellow-billed Cuckoo has a distinctive yellow lower mandible, while the Indian Golden Oriole has a dark bill. Both species are similar in size, but their plumage and behavior differ significantly.

Identification tips

• Bill color: Yellow-billed Cuckoo has a yellow lower mandible; Indian Golden Oriole has a dark bill.
• Plumage: Look for the bright yellow and black contrast in the oriole versus the brown and white of the cuckoo.

Plumage

The Yellow-billed Cuckoo has a mostly brown upper body with white underparts, while the Indian Golden Oriole is bright yellow with black wings and tail. The oriole's vibrant coloration is a stark contrast to the more subdued tones of the cuckoo.