Whether they’re opening for takeoff, spreading wide for a lazy soar or flapping to brake for landing, bird wings make flying ...

The wing bars are often broader and more contrasty. Adults molt on the wintering grounds, and worn summer birds (and fall birds in North America) are essentially identical to the western wood ...

Upperparts gray, unstreaked; underparts grayish white, unstreaked; long black tail has white outer tail feathers; conspicuous white wing bars ... Migration: birds in the northern portion of ...