I sense this stag is just biding his time. Time is on his side, the dominant stag had a herem of about 50 hinds, it is unlikely he can meet those demands and fend off young pretenders for that nmuch longer. I reckon he thinks in a few days the big boy will be tired and I can step in and take over.
OM-1, 40-150mm & MC14
ISO 1250 -0.3EV, 1/1600sec f5.6
ACR/PSCC