What identification clue is revealed when a Bobolink is observed in flight?

Answer

The white rump patch contrasting sharply with dark wings

When a Bobolink flies up from a field, the white rump patch is clearly visible, contrasting sharply with its dark wings and body, which is a unique field view among locally common *Icteridae*.

What identification clue is revealed when a Bobolink is observed in flight?
birdComparisonblackbirdBobolink