What are an eclectus parrots natural predetors?

Rufous owls, peregrine falcons, snakes that climb trees such as pythons, monitor lizards, and even female eclectus parrots may attack and kill another female of their own species. See the article "Breeding Biology of the reverse-dichromatic, co-operative parrot Eclectus roratus" by R. Heinsohn and S. Legge, 2002.