Odd behaviour sitting in nest but no egg

[Mskayladog]

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She has been laying good now she sits in the nest for a hour or so but does not lay a egg. Vent is clean no discharge, eating and drinking good out foraging with the rest of the girls. I'm a bit Nervius something may be wrong with her.

This is her second day with the above behaviour

 

[Whittni]

Is she acting broody by chance? Maybe she constipated(wrong word?), but not quite egg bound.

 

[Mskayladog]

Nope she is not acting broody. Guess I will just wait and see she will either lay or not...maybe it's the change of seasons.