the king cobra will begin to swallow its struggling prey while its toxins begin the digestion of its nictim.King cobra,kill all snakes,have flexible jaws.The jaw bones are connected by pliable ligaments,enabling the lower jaw bones to move independently .This allows the king cobra to swallow is prey whole,as wellas letting it swallow prey much lager than its head.King cobra are able to hunt throughout the day,and it is rarely seen at night,leading most herpetologists to classify it as a diurnal species
Source: https://www.youtube.com/watch?v=I39gI2q6J_8