I've noticed in some Sydney national parks (particularly those close to rivers) there are significant populations of monitor lizards.(Goannas)
On one trail that Ive walked many times it's common to see 50-70 monitors of various sizes in the space of an hour. They are all hanging out catching insects on the trail or right beside. You can walk past a dozen within 10 metres.
It got me curious though.. do monitors scare snakes away? Or eat them? (Some of the monitors are big.. 1-2 metres). Because I never see any snakes in the area but stacks of monitors..
I would assume snakes and monitors both being carnivorous would eat the same things i.e small mammals like rats and mice, birds, eggs and insects etc.
So if there is enough food in the area to support that many monitors you would think the snakes would want in on the party.