flight feather
pinion
quill
quill feather

These are true flight feathers as seen in modern birds.

The white patch on the primary flight feathers is also smaller.

There are dark bars on the flight feathers and tail.

The flight feathers are brilliant white crossed by a black bar.

They were simply too small with too few flight feathers.

He pumped them, and the flight feathers caught hold of the air.

Only the head, tail and the flight feathers should be so colored.

When perched a small amount of black can be seen in the wings, these are the flight feathers.

Instead, these birds lose all their flight feathers at once.

The rest of the body is purple, with red flight feathers.