The tail markings, the distinct yellow on the under tail coverts, the sharply marked pileum, are all examples of ruptive coloration. [Please select]
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Their plumage was a rich chocolate, suffused over neck, breast, and back with intense crimson, while the pileum was quite black. [Please select]
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, has the whole pileum, occiput, upper neck, and sides of neck heavily streaked black and olive-green, and the throat and chest dull gray with whitish streaks. [Please select]
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In old females from Java the pileum and cheeks are dark mouse-gray, blackish on the forehead, the black streaks narrow, almost obsolete and noticeable on the crown and occiput only. [Please select]
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