Mistake about owls (from the start)

[jdr0918]

No: HPFGUIDX 70261

<<<"Regina" wrote: Here is a mistake in the HP books that I've not 
seen on FLINT lists...owls' wings don't make a sound, as other birds' 
wings do. They are silent flyers...>>>

The Sergeant Majorette says:

Wow! However, if I'm JKR, I'm not going to admit to a mistake. I'm 
saying it was the letters that actually made the swishing 
noise...yeah, that's it...the letters...

--JDR