Herring Gull Larus argentatus
| Order & Family | Description | Clutch Size | Egg Size |
| Charadriiformes Laridae | Subelliptical, smooth and non-glossy. Colour is light olive with black and brown spots, speckles and blotches. | 2-3 eggs | 70 x 48 mm |
Breeding Status
| Boreal Forest |
 |
Confirmed | Canadian Shield |
 |
Confirmed | |
| Rocky Mountain |
 |
Observed | Parkland |
 |
Observed | |
| Foothills |
 |
Grassland |
 |
Observed |
