Franklin's Gull vs Common Gull

Franklin's Gull and Common Gull can be distinguished by their size and plumage differences. Franklin's Gull is smaller with a distinctive black hood during breeding, while the Common Gull lacks this hood and has a medium to pale gray mantle. Both species are part of the Laridae family, but their habitats and behaviors also offer clues for identification.

1. Size and Structure: Franklin's Gull is smaller with a more delicate build compared to the Common Gull's heavier and larger bill. 2. Plumage: Look for the black hood on Franklin's Gull during breeding season, absent in Common Gull. 3. Habitat: Franklin's Gull is more likely found in marshes and following agricultural activity, while Common Gull is more versatile in habitat choice. 4. Migration: Franklin's Gull migrates to South America, whereas Common Gull has a more northern range.

Franklin's Gull is smaller than the Common Gull, which is medium-sized and slightly heavier with a bigger bill.

Franklin's Gull has a black hood in breeding plumage, while the Common Gull does not. The Common Gull has a medium to pale gray mantle, with European birds averaging paler. Franklin's Gull has a pinkish bloom not seen in the Common Gull.

Franklin's Gull is often seen in large flocks following agricultural activity, feeding on insects and small animals. Common Gull behavior is less specific to agriculture and more generalized.

Franklin's Gull breeds in interior North American marshes and migrates to South America. The Common Gull is found in a variety of habitats across Europe and Asia, including coastal and inland areas.