will wing feathers grow back?

[ChuckenGirl]

also, do all feathers grow back or just some?

 

[shangri-lafarms]

They all come back

 

[SpottedCrow]

If the bird is moulting, all the feathers should grow back.
If it's from an injury, maybe, maybe not, depending on whether the feather follicles were damaged.

 

[ChuckenGirl]

thats a relief, thanks all