Common Gull vs Tahiti Petrel

In short

The Common Gull (Larus canus) and Tahiti Petrel (Pseudobulweria rostrata) are easily distinguished by their habitat and appearance. The Common Gull is a medium-sized gull with a pale gray mantle and dark eyes, typically found in coastal and inland areas of Europe and Asia. In contrast, the Tahiti Petrel is a seabird with a darker plumage and is found over open ocean waters in the Pacific.

Identification tips

1. Habitat: If seen inland or near coasts, likely a Common Gull; if over open ocean, likely a Tahiti Petrel. 2. Plumage: Look for pale gray mantle and dark eyes in Common Gull; darker, more uniform plumage in Tahiti Petrel. 3. Flight Style: Common Gull has typical gull flight; Tahiti Petrel has looser, more elastic wingbeats.

Size

The Common Gull is medium-sized, while the Tahiti Petrel is larger and appears plumper with a more slender bill.

Plumage

Common Gull has a pale gray mantle and dark eyes, with variable white spots on primaries. Tahiti Petrel has darker plumage overall, with a more consistent coloration.

Behaviour

Common Gull is often seen in flocks, exhibiting typical gull behaviors. Tahiti Petrel flies with looser, languid wingbeats and more swooping glides, typical of oceanic petrels.

Habitat

Common Gull is found in coastal and inland areas, often near water bodies in Europe and Asia. Tahiti Petrel is an oceanic species, found over open waters in the Pacific.