Franklin's Gull vs Mediterranean Gull

Franklin's Gull and Mediterranean Gull are both medium-sized gulls with black hoods, but they can be distinguished by key features. Franklin's Gull has a more buoyant flight and a distinct pinkish hue during breeding season, while Mediterranean Gull is slightly larger with a heavier build.

1. Hood Color: Look for the pinkish hue on Franklin's Gull during breeding season. 2. Eye Crescent: Franklin's Gull has white crescents above and below the eye. 3. Size and Build: Mediterranean Gull is larger and bulkier. 4. Habitat: Consider the habitat; Franklin's Gull is more likely inland in marshes, while Mediterranean Gull is coastal.

Mediterranean Gull is slightly larger and bulkier than Franklin's Gull.

Franklin's Gull has a black hood with a pinkish bloom on the breast during breeding season, and white eye crescents. Mediterranean Gull also has a black hood but lacks the pinkish hue and has a more uniform white body.

Franklin's Gull is often seen in large flocks following agricultural machinery, while Mediterranean Gull is more solitary or in smaller groups.

Franklin's Gull breeds in large colonies in prairie marshes, while Mediterranean Gull is more coastal, favoring estuaries and coastal lagoons.

Vocalizations are not a primary distinguishing feature between these species.