How much does a Goliath Palm Cockatoo cost? Also known as the black palm, and great black cockatoo, the palm cockatoo is one of the worlds most expensive cockatoo species because they are difficult to breed. Palm cockatoos are endangered, so they’re only really found in the pet industry. This means that they’ve become highly sought-after, which has pushed the average price. There are few of them in the entire world, so if you want one, expect to pay between $15,0000 to $23,000. For sale: Goliath Palm Cockatoo, Karasu who is a very, very cuddly 7 year old Goliath Cockatoo that loves to chuckle! In Perfect Health! Included a Beautiful large corner cage (cost $1600) - You will never find a more beautiful bird at this low price ever again! Call Mr. Mark @ xxx-xxx-xxxx