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BiologyThe Philippine cockatoo is a noisy bird that makes loud raucous calls; a sound that is almost deafening when several birds are calling simultaneously (5). It is often seen in pairs or in small groups of around eight individuals, but at times up to 30 may congregate to feed (4) (5). The diet consists of seeds, fruits, nuts and berries, and they are known to raid maize and corn crops in nearby farmland (4) (7). The bird's striking plumage makes it conspicuous to both humans and other predators, but the Philippine cockatoo is capable of acrobatic weaving and darting in an attempt to avoid raptors that prey on them (7). The Philippine cockatoo breeds from February to June, when one to three eggs are laid in a nest on the limb of a tree (5) (7). The eggs are incubated for around 28 days and the chicks remain in the nest for nine to ten weeks after hatching (2).