Sharon Heald / Red tailed black cockatoos perched {Calyptorhynchus banksii} Western Australia

Konrad Wothe / Red-tailed cockatoo (Calyptorhynchus banksii) male preening, Queensland, Australia, captive

Steven David Miller / Red-tailed black cockatoo {Calyptorhynchus banksii} perched on fern stump, captive, Healesville Wildlife Sanctuary, Victoria, Australia Restrictions: Editorial use only

Steven David Miller / Red-tailed black cockatoo {Calyptorhynchus banksii} perched on fern stump, captive, Healesville Wildlife Sanctuary, Victoria, Australia Restrictions: Editorial use only

Roger Powell / Red-tailed Black-Cockatoo (Calyptorhynchus banksii) female. Victoria, Australia

Dave Watts / Red-tailed Black-Cockatoo {Calyptorhynchus banksii} Australia

Roger Powell / Red tailed black cockatoo {Calyptorhynchus banksii} Northern Territory, Australia.

Tony Heald / Red tailed black cockatoo {Calyptorhynchus banksii} Western Australia

Tony Heald / Red tailed black cockatoos feeding {Calyptorhynchus banksii} Western Australia

Tony Heald / Red tailed black cockatoo male feeding in tree {Calyptorhynchus banksii} Kakadu NP, Northern Territory, Australia