| Wing Character | Male | Female |
| Adult | Immature | Immature | Adult |
| Tertials | Distal three are mostly white on their outerwebs and their tips are not frayed | Distal three are dark brown; paler near their shafts; usually frayed at their tips; sometimes an adult-type replacement permits sex identification | Dark gray; blunt and their tips are not frayed |
| Secondaries | Very dark iridescent blue | Dark brown; often appear ragged | Black, shading to gray; tips smoothly rounded and not frayed |
| Greater coverts | Two or three have large white spots; all are dark blue | Dark brown; often slightly faded; may appear ragged | Black, shading to dark gray; tips smoothly rounded and not frayed |
| Middle and lesser coverts | Most are dark blue; usually three have white spots | Dark brown; tips are usually ragged | Black-tipped; shading to dark gray on bases of coverts |
