Is it hiccups or something worse?

[TipswordC]

My hens are 25 weeks old. Our climate took a dip 4 days ago from high 70s to low 50s. One of my Orpingtons started sneezing, so I thought. Now it’s more like a loud hiccup. She doesn’t do it all day. It comes in spurts. It’s loud and she fully extend her neck up and out and her head moves to the side (like a neck jerk) to make the noise. It will repeat several times in a row and then she will stop. She has no raspy breathing. No nasal or eye discharge. She eats and drinks normal. Runs around with her crew. She was sitting on some eggs for a few days and has given that up. Any help would be appreciated. First time flock owner and still learning. I have included a series of progression photos of what she looks like when she makes the noise from a video. I couldn’t find a way to post a video on here.

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[aart]

I couldn’t find a way to post a video on here.

@TipswordC vids need to be uploaded to youtube or other similar platform then paste a link here.