Is my chicken sick or egg bearing?

[Capto Veritas]

My Black Australorp hen keeps sitting in her nesting box not moving a muscle. She is also clucking softly. She just turned 4 months. Is she sick, or about to lay an egg?

This is her:

 

[MysteryChicken]

My Black Australorp hen keeps sitting in her nesting box not moving a muscle. She is also clucking softly. She just turned 4 months. Is she sick, or about to lay an egg?

This is her:View attachment 2752206

She's practicing the nesting routine. It's normal. She still looks a bit young to start laying though.

 

[Capto Veritas]

Really! That is so cool! I am really exited! Are you almost positive?