Anyone ever shot a pure white pigeon?

This summer, my son and I have been trying to bag a pure white pigeon but have been finding it harder than expected. Every pigeon we come across, has some color somewhere on it. How rare is an all white one in nature? I know pure white are often bread in captivity, but on farms does it still occur? Is this a goal that we will never be reach? Your thoughts?

This is the closest we got so far.

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Here is the closest to white before this one.

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I'm surprised at the low participation on this topic. 

I think I got two of them. I have scope cam on both.....I'll need to check it for the other one......though I don't think he was 100% white otherwise I would have taken a picture.

My daughter is the one who told me to get a white one if I could. That why I had the funny pic as I sent it to her that day.

ADDED:

I found the vid......start at 11:50 for the white one. Turns out he was not 100% white.

https://youtu.be/L-6YKEs45H0

Let me find the video with the pure white one. Found it....start at 8:16. :)

https://youtu.be/0iyO-xE4QWc
 
Me and a buddy chased one all summer and fall. We killed 90% of the flock this white one was apart of. We named it Moby.... As hard as we tried we just couldnt ever get set up to get a shot on it. I swear that flock was sending out scouts and set centuries along the road/trail we used to get to the old bridge they roosted under.Its like the entire flock new what we were up to.Eventually what was left of that flock moved on some where else...