It appeared to glide across the sky for a half an hour without a single stroke of its wings.

The great stroke of his wings caught him up.

He bent slightly, changed form, and drove himself into the air with powerful strokes of his wings.

Then the buffeting of heavy wing strokes burst around his head again.

Far larger than a bird, the creature climbed with powerful strokes of its broad wings.

Silbakor bore her to the north, beating the air with heavy wing strokes.

They... fly with little wing strokes, while I struggle to stay aloft.

More labored was his breathing, and weaker the stroke of his once powerful wings.

Their wing strokes are strong and rapid.