Robuta

https://mdahlem.net/birds/12/redtail_abo.php Red-tailed Black-Cockatoo (Calyptorhynchus banksii) Michael Dahlem birds of Australia Red-tailed Black-Cockatoo (Calyptorhynchus banksii) black cockatoo calyptorhynchus banksii red tailed https://zooinstitutes.com/animals/red-tailed-cockatoo-beijing-zoo-17931.html Calyptorhynchus banksii banksii / Red-tailed cockatoo in Beijing Zoo calyptorhynchus banksii in beijing red tailed cockatoo