Wing Character | Male | Female | ||
Adult | Immature | Immature | Adult | |
Tertials | Sharply curved, outer webs bright blue, inner webs all or part white | Very slightly curved, tips often frayed and faded, inner web varies from dark brown to barely discernable blue | Sharply curved, outerweb bright blue, inner web gray, shading to white at tips | |
Greater tertial coverts | Entirely white on adults, but with some black tipping on sub- adults | Very dark brown with bluntly pointed tips that are usually frayed and slightly faded | Very dark brown with bluntly rounded not frayed tips | |
Greater secondary coverts | Entirely white on adults, but some black tipping on sub- adults | Brown with a white tip that is 1/4 inch wide or less and may be reduced to a trace | Brown with a 1/2 inch wide white tip | |
Secondaries | Outer webs bright blue; trailing edge a 1/2 inch wide white band | Outer webs dark brown usually with a faint bluish cast; trailing edge a 1/4 inch wide white band | Outer webs bright blue; trailing edge a 1/2 inch wide white band |