"Macroderma gigas" has few predators, and most competition of their nocturnal hunts is from medium-sized owls (Strigidae). They will join other predators at a cave mouth where other bat species will exit, this example of multiple species feasting together with other carnivores is intensified in the season when young bats are emerging from their creche. These congregations include introduced species, cane toad "Rhinella marina", feral cats and foxes, and natives such as pythons, birds of prey, quolls and large frogs of genus "Litoria".