Humming noise while walking around

[MiniflockMom]

My RIR is making a humming noise. She is running and free ranging. She seems her normal self except the humming. Is something wrong??

 

[Wyorp Rock]

My RIR is making a humming noise. She is running and free ranging. She seems her normal self except the humming. Is something wrong??

Can we hear it please? Upload videos to youtube and provide a link.

Thank You!