Mongoose are snake predators and have developed resistance to cobra venoms native to their home range. Most of the time they avoid any bites with relfexes and speed but they do get hit.
Although Australian poisonous snakes are of the cobra family, they have different venom complexes to those in India etc. Their immunity developed over millennia of evolution doesn’t work. So the introduced mongooses ended up as a dinner for the snakes.
Further explanation:
Mongoose are snake predators and have developed resistance to cobra venoms native to their home range. Most of the time they avoid any bites with relfexes and speed but they do get hit.
Although Australian poisonous snakes are of the cobra family, they have different venom complexes to those in India etc. Their immunity developed over millennia of evolution doesn’t work. So the introduced mongooses ended up as a dinner for the snakes.