Part 1- Adult Gulls
| (A) white head and body (some streaking on head and neck of most species during winter); |
| (B) clean white tail; |
| (C) gray wings without brown color; |
| (D) cleanly marked bill. |
| Notes: |
| 1. Rare; largest species on this page. |
| 2. Large gull; mantle color similar to wingtip color; dark eyes. |
| 3. Large gull; undersides of wingtips gray, not white; rounded head and gentle look. |
| 4. Medium-sized gull; leg color variable. |
| 5. Smallest gull listed on this page. |
| 6. Small gull; pale eyes and mantle; clean black ring at tip of bill. |
| 7. Large gull; generally lacks streaking on head during winter; fairly light eyes. |
| 8. Large gull; almost white-yellow eyes and fierce look on face. |