Sex Determination of Adults Adult male tertials are more than 90 mm. Tertial coverts have broad edging which is pale brown. Middle and lesser coverts are broadly rounded and unfrayed. Adult female tertials are less than 90 mm. Pearly color generally does not occur on the outer webs.
Tertial coverts have broad edging which is pale brown.
Middle and lesser coverts are broadly rounded and unfrayed. Immature tertials less than 88 mm.