Choking/Voiceless Squawking?

[ChickenMama1212]

I have two RIRs and one of them opened her mouth like she’s either squawking or choking. No sound comes out of her when she does this. Has anyone seen this or know what it’s called?
Thanks!

 

[HollowOfWisps]

She is adjusting her crop.

 

[ChickenMama1212]

She is adjusting her crop.

Thank you! Makes more sense now.

 

[ChickenMama1212]

She is adjusting her crop.

Thank you!