Three Sisters are a famous rock formation in the Blue
Mountains of New South Wales, Australia. They are close
to the town of Katoomba and are one of the Blue Mountains'
most famous sights, towering above the Jamison Valley.
cockatoo is any of the 21 bird species belonging to
the family Cacatuidae. Along with the Psittacidae family
(the true parrots), they make up the order Psittaciformes.
The name cockatoo originated from the Malay name for
the bird. MORE...