Paíño de Wilson vs Paíño de Isla Socorro

Wilson's Storm-Petrel and Townsend's Storm-Petrel are both small seabirds but differ in their geographic distribution and subtle plumage details. Wilson's is more widespread, while Townsend's is primarily found off southern California. Key differences in plumage can help distinguish them.

Look for the white rump patch on Wilson's Storm-Petrel as a key distinguishing feature. Consider the location: Townsend's Storm-Petrel is more likely off southern California.

Wilson's Storm-Petrel typically has a more uniform dark plumage with a distinct white rump patch, whereas Townsend's Storm-Petrel may show more variation in plumage and lacks the prominent white rump.

Wilson's Storm-Petrel is found in a wider range of oceanic habitats, whereas Townsend's is more restricted to the waters off southern California.