Martin-chasseur gurial vs Martin-chasseur violet

The Stork-billed Kingfisher and Ruddy Kingfisher can be differentiated by their bill size and color. The Stork-billed Kingfisher has a notably larger and heavier bill, while the Ruddy Kingfisher's bill is slimmer. Both species have a similar overall reddish-brown plumage, but the Stork-billed Kingfisher's bill is more prominent and stouter.

Check bill size and shape: The Stork-billed Kingfisher has a larger, heavier bill compared to the slimmer bill of the Ruddy Kingfisher. Observe overall size: The Stork-billed Kingfisher is generally larger and more robust.

The Stork-billed Kingfisher is generally larger with a more robust build compared to the Ruddy Kingfisher.

Both species exhibit reddish-brown plumage, but the Stork-billed Kingfisher's larger bill may make it appear more front-heavy.