Mourning Warbler Oporornis philadelphia
| Order & Family | Description | Clutch Size | Egg Size |
| Passeriformes
Emberizidae |
Subelliptical to short subelliptical, smooth and slightly glossy. Colour is white to cream with reddish-brown, purple and gray markings. | 4 eggs | 18 x 14 mm |
Breeding Status
| Boreal Forest |
 |
Confirmed | Canadian Shield |
 |
||
| Rocky Mountain |
 |
Observed | Parkland |
 |
Confirmed | |
| Foothills |
 |
Confirmed | Grassland |
 |
Observed |
