Reference Links
Gulls on Parade: Why the skies of Niagara Falls are filled with Birds  May 9, 2019 Buffalo News/T.J. Pignataro

Excerpt: Gulls on the Niagara Frontier (1977)  by Robert F. Andrle

Franklins Gull, foot of Ferry Street, Buffalo

Little Gull, near International Railroad Bridge

Lesser Black-backed Gull, above Niagara Falls

Black-legged Kittewake, near Unity Island

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Bonaparte's Gulls on the Niagara

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Checklist of Niagara Gulls:

1. Black-headed Gull (Larus ridibundus)

2. Black-legged Kittewake (Rissa tridactyla)

3. Bonaparte’s Gull (Larus philadelphia)

4. California Gull (Larus californicus)

5. Franklin’s Gull (Larus pipixcan)

6. Great Black-backed gull (Larus marinus)

7.  Glaucus Gull (Laurus hyperboeus)

8. Herring Gull (Larus argentatus)

9. Iceland Gull (Larus glaucoides)

10. Ivory Gull (Pagophila eburnean)

11. Laughing Gull (Larus atricilla)

12. Lesser Black-backed Gull (Larus fuscus)

13. Little Gull (Larus minutus)

14. Mew Gull (Larus canus)

15. Ring-billed Gull (Larus delawarensis)

16. Ross’s Gull (Rhodostethia rosea)

17. Sabine’s Gull (Xema sabini)

18. Slaty-backed Gull (Larus schistisagus)

19. Thayer’s gull (Larus thayeri) ​