Paradise bird change feather colour

Adult male of Asian Paradise Flycatcher has black-blue bright metallic glossed head and throat. Head is with large pointed crest formed by extended feather of same glossy-black color. Back, uppertail and tail are bright-rufous; central tail feathers are much elongated, sometimes in 2-3 times longer than other ones. Flight feathers and greater wing coverts are dark-horn-color with bright-white outer webs, lesser coverts are with rusty outer webs; sometimes horn-color on lesser coverts kept only as narrow strip on feather shaft. Underparts excepting throat are all white, underwings are pale-rusty. Bill is broad, heavy, bluish-horn-color with darker little hook on tip. Legs are bluish-grey, eyes are dark-brownish, eye-ring is blue. In contradiction from male the adult female has slate-grey (not black) cheeks, ear-coverts, throat and upper-neck; breast and fore-belly are with grayish tone; crest is lesser and dimmer than in male; central tail feathers are almost not elongated (only on some