Pétrel à col blanc vs Pétrel à collier

The White-necked Petrel and Collared Petrel are both Pterodroma species with overlapping features, but they can be distinguished by their plumage and size. The White-necked Petrel typically has a more prominent white neck collar, while the Collared Petrel shows a less distinct collar. Observing these features in good light can aid in identification.

Look for the white neck collar on the White-necked Petrel, which is usually more prominent than on the Collared Petrel. Ensure good lighting to observe these subtle differences.

White-necked Petrel generally displays a more conspicuous white neck collar compared to the less distinct collar of the Collared Petrel.