White-faced Storm-Petrel vs White-bellied Storm-Petrel

The White-faced Storm-Petrel is distinguished by its unique pogo-stick flight pattern and a white head with a dark cap and eye patch, while the White-bellied Storm-Petrel lacks these specific head markings. Both species have white underparts, but their flight behavior is a key differentiator.

Look for the White-faced Storm-Petrel's pogo-stick flight and white head with a dark cap and eye patch. Observe the flight pattern closely, as this is a reliable differentiator.

The White-faced Storm-Petrel has a white head with a dark cap and eye patch, contrasting with its brown upperparts and blackish remiges. The White-bellied Storm-Petrel does not share this specific head pattern.

White-faced Storm-Petrels exhibit a distinctive low, bounding flight, pushing their feet off the water surface, unlike the White-bellied Storm-Petrel.