What does it mean if two girl guinea pig hump

[Hdbuinfxpredvla]

Hi i am new i don't know if this normal but my two girl guinea pig hump is that normal

 

[Betsy]

Yep perfectly normal. It is a display of dominance and is usually displayed when one is in heat.

 

[Guineapigfeet]

Very normal! It’s dominance display and can also occur around their seasons. My three hump a lot whenthey’re in season

 

[David Piggie Lover]

Oh my yes it's normal.