Common Gull vs Herring Gull

In short

The Common Gull (Larus canus) and Herring Gull (Larus argentatus) can be distinguished by size and plumage. The Common Gull is smaller with a medium to pale gray mantle, while the Herring Gull is larger with a heavier build and a more robust bill. Both species have similar behaviors, but their vocalizations differ.

Identification tips

1. Size and Structure: Look for the smaller size and lighter build of the Common Gull compared to the larger Herring Gull. 2. Mantle Color: Note the paler gray mantle of the Common Gull. 3. Eye Color: Common Gulls generally have darker eyes. 4. Vocalization: Listen for the higher-pitched calls of the Common Gull versus the deeper calls of the Herring Gull.

Size

The Common Gull is medium-sized, smaller and lighter than the larger, heavier Herring Gull.

Plumage

Common Gulls have a medium to pale gray mantle, often paler than the Herring Gull, which has a darker gray mantle. Common Gulls generally have darker eyes compared to the paler eyes of Herring Gulls.

Behaviour

Both species exhibit similar social and interspecific behaviors, including nesting and feeding habits.

Habitat

Both species can be found in similar habitats, including coastal regions and inland water bodies, but specific preferences may vary regionally.

Voice

The vocalizations of these species differ, with the Common Gull having a higher-pitched call compared to the deeper, more resonant call of the Herring Gull.