Common Gull vs Short-billed Gull

The Common Gull (Larus canus) and Short-billed Gull (Larus brachyrhynchus) are similar medium-sized gulls, but the Common Gull typically has a slightly larger bill and darker eyes. Both species have pale gray mantles, but the Common Gull often appears paler, especially in European populations.

1. Bill size: Common Gull has a slightly larger bill. 2. Eye color: Common Gull generally has darker eyes. 3. Mantle color: Common Gull is paler, especially in European populations. 4. Primary markings: Common Gull often lacks a white spot between gray and black on the primaries. 5. Habitat: Consider location; Short-billed Gull is more coastal in North America.

Both species are medium-sized gulls, but the Common Gull is slightly heavier and has a slightly larger bill than the Short-billed Gull.

The Common Gull usually lacks a white spot between gray and black on the primaries, although this is variable. Its mantle is medium to pale gray, often paler than the Short-billed Gull. The Short-billed Gull has a similar gray mantle but is generally slightly darker.

Both species exhibit similar behaviors, including foraging and nesting habits, but the Short-billed Gull is unique in its ability to nest in trees.

The Common Gull is found across Europe and Asia, while the Short-billed Gull is primarily located along the Pacific coast of North America. Both species occupy a variety of habitats, but the Short-billed Gull is more coastal in winter.

Vocalizations are not distinctly covered in the sources, but both species have typical gull calls.