Bill slightly curved upward; culmen decidedly shorter than tarsus; the latter about twice the middle toe without claw; rump white.
Bill straight; culmen equal to middle toe without claw but much less than tarsus; rump white.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "rump white" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.