Built in June on the fork of a horizontal conifer branch near the trunk at low to moderate height, the yellow-rumped Warbler’s nest contains 3 to 6 eggs. Polytypic (6 ssp.). Length 5.3".

The migration usually lasts until early- to mid-May, about the time the other dozen-plus species of warblers common in Kansas arrive on their way northward. The yellow band at the base of their ...