Wing Character | Male | Female | ||
Adult | Immature | Immature | Adult | |
Secondaries | Iridescent green speculum on many feathers | All feathers a dull non-iridescent green | ||
Greater coverts | Mostly white to all white | Mostly with dark spots; sometimes predominately dark with little or no trace of white | ||
Unspotted or sometimes one spot at tips | Sometimes 2 or more dark spots at tips | Pattern usually other than inverted "V's" | Tendency toward white inverted "V's" | |
Tertials | Long acute tips; greenish to narrowly edged with light brown; not frayed or faded | Pointed dark brown; with light brown edging; often frayed or faded | Pointed blunt tips; well edged with light brown; not frayed or faded | |
After molt: Similar to adult male | After molt: Similar to adult female | |||
Tertial coverts | Broadly rounded; dark brown washed with blue; usually without edging; not frayed or faded | Narrow; somewhat pointed; often with light brown edging; may be frayed or faded | Broadly rounded; dark brown usually with pronounced light brown edging; not frayed or faded | |
After molt: Similar to adult male | After molt: Similar to adult female |