gaivota-de-bico-riscado vs gaivota-de-patas-amarelas

The Ring-billed Gull is best identified by its distinctive black ring around the bill, while the Yellow-legged Gull has a more robust build and lacks this feature. Both species are opportunistic feeders, but their habitats and behaviors can differ significantly.

Check the bill: Look for a black ring on the bill for the Ring-billed Gull. Observe size and structure: Note the larger size and more robust build of the Yellow-legged Gull. Consider location: Ring-billed Gulls are more likely in North America, while Yellow-legged Gulls are found in Europe.

The Yellow-legged Gull is generally larger and more robust than the Ring-billed Gull.

The Ring-billed Gull has a black ring around its bill, which is absent in the Yellow-legged Gull. The Yellow-legged Gull typically has a more solid gray back compared to the paler gray of the Ring-billed Gull.

The Ring-billed Gull is often found in North American urban areas and near water bodies, while the Yellow-legged Gull is more common in European coastal regions and can be found nesting on man-made structures.