|  Oregon | black bill with bluish base yellow cere large, long yellow gape | 
|  Oregon | white remiges on underwing with gray edge black tips on primaries (color and amount of barring on coverts varies greatly) | 
|  Oregon | feathered legs (color varies) | 
|  Oregon  Oregon | light and dark morphs There is a great deal of individual variation in the plumage of light morphs. Some authors identify two intermediate morphs. |