What on earth are they doing?

[CooperHaydenn]

are my clowns dancing the dance of brotherly love, or are they fighting to the death, or or, are they asserting dominance to decide which is the egg layer? video of the "dance" below.

https://www.youtube.com/watch?v=aQPDWP3GCvY&feature=youtu.be

[Nanook]

I think they are fighting, best to remove one of them asap.