I would say she is definitely a she. I've never really had a hen with pronounced spurs. More like a tiny nubbin haha.
I think she's just nervous and acting accordingly. The good news is in one picture you look like you're standing next to her and she's standing still :) over time she'll get...
How old is she? I've had a few peck at my hair and such when I get close to a roost, but nothing mean. (besides broodies haha) I do notice that for a certain time, almost like a teenage rebel stage, my pullets will act off. They're not as friendly, but they grow out of it. It seems they...