actually they are fighting, i saw this exact same thing on a documentary recently - on the doco it was cobra's but it was the same.
they dont want to waste venom on something that it has no interest in eating & they would most probably both die so instead they slam each-other's bodies into the ground to assert territory & dominance.
they dont want to waste venom on something that it has no interest in eating & they would most probably both die so instead they slam each-other's bodies into the ground to assert territory & dominance.