Bonaparte's Gull Larus philadelphia
| Order & Family | Description | Clutch Size | Egg Size |
| Charadriiformes Laridae | Subelliptical, smooth and slightly glossy. Colour is green with brown and gray spots, speckles and blotches. | 3 eggs | 49 x 34 mm |
Breeding Status
| Boreal Forest |
 |
Confirmed | Canadian Shield |
 |
Confirmed | |
| Rocky Mountain |
 |
Observed | Parkland |
 |
Probable | |
| Foothills |
 |
Confirmed | Grassland |
 |
Observed |
