EL-1931 Sulphur-crested Cockatoo – suffering from Beak-and-feather Disease caused by a circovirus (Circoviridae). occurs in woodland from the Kimberley Region in Western Australia east to Cape York and south along the eastern coast to South Australia Cacatua galerita Many species of parrot and cockatoo suffer from this disease, which causes beak deformities and progressive loss of feathers. There …

EL-1929 Sulphur-crested Cockatoo – suffering from Psittacine Beak-and-feather Disease Queensland, Australia Cacatua galerita This is caused by a circovirus that can be transmitted by contact at feeding sites, during nesting time, etc. It attacks the feather follicle and ultimately destroys its ability to produce feathers. Successive moults lead gradually to a total loss of plumage. The bird will f…

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