Complex sentence: They are opportunistic feeders and can be carnivorous (preying mostly on lizards and small birds), and eat many other foods when available, such as nectar, acacia seeds, bird eggs, pollen, fungi and native fruits.
Split into simpler sentences: They are opportunistic feeders and can be carnivorous, preying mostly on lizards and small birds. They eat many other foods when available, such as nectar, acacia seeds, bird eggs, pollen, fungi and native fruits.