Compare
Larus occidentalis
Common Name: Western Gull
Catalogue Number: 2882
Institution: University of Saskatchewan
![](/f/geog4ho48mqe6ln16dwm82hsujgrgz/Larus-occidentalis-Individual-1-550x366.jpg)
![](/f/7b9g2zbw4hlvqgzlebg9nep4hmqsqf/Larus-occidentalis-Clutch-1-550x382.jpg)
Common Name: Western Gull
Catalogue Number: 2882
Institution: University of Saskatchewan