It is a rich unbarred chestnut brown with a yellow rump and flanks and a yellowish crest.

It has green upperparts, pale grey underparts and a yellow rump.

I felt so good that I took another crack at identifying the little brown-gray bird with the yellow rump.

It did indeed have a yellow rump.

The upper parts are dark-streaked greyish green, with a yellow rump.

In all plumages the yellow rump is distinctive.

It is a small, brownish bird with a distinctive yellow rump and thin dark bill.

It has a narrow yellow collar and a yellow rump.

Females of both forms are more dull, with brown streaking front and back, but still have noticeable yellow rumps.

It has mainly black plumage, apart from a bright yellow rump, tail base, lower belly and wing "epaulets".