| Wing Character | Male | Female |
| Adult | Immature | Immature | Adult |
| Tertials | Entirely black, sharply curved, and acutely pointed | Very dark brown, usually edged with pale brown at tips only; tips are rather sharply pointed, often frayed and/or notched | Very dark brown, slightly curved, and acutely pointed |
| Greater tertial coverts | Broadly rounded and black | Usually narrowly edged with pale brown; often frayed at tips | Broadly rounded, very dark brown, broad pale brown edging |
| Greater secondary coverts | Black, often with some white tipping | Very dark brown; many white-tipped; and similar to those of adult female | Very dark brown, many white-tipped; rest solid brown slightly faded at tips |
| Middle and lesser coverts | Entirely white except for the leading edge of the wing | Similar to adult female but edging is darker and somewhat narrower | Broadly rounded, very dark brown, broad pale brown edging |
