Cockatoo dream meaning is explained below using 3 different sources. Each interpretation is shown with its source.

Interpretation 1 — Dr. Mıchael Lennox

All birds relate to the messenger function and also represent our thought process and the movement of ideas.

The cockatoo is less colorful than many of its brethren, so it relates to something more subdued, but still vibrant.

The traits that are most directly associated with this type of bird are a very strong beak and a loud, shrill voice. This adds the texture of harsh and strong communication to the symbolic meaning if this bird should appear in your dream.

(See Birds.) 

Source: Complete Dictionary of Dreams Author: Dr. Mıchael Lennox

Interpretation 2 — Zolar

lucky numbers: 04-06-13-30-32-34

buying a: wil have arguments with friends.

hearing a, talking: a false friend is nearby.

keeping a, in a cage: wil realize your own indiscretion.

of a: discovery of a secret.

Source: Zolar’s Book of Dreams Numbers and Lucky Days Author: Zolar

Interpretation 3 — Stearn Robinson - Tom Corbett

Don’t allow yourself to be influenced by gossiping friends if you dreamed of this exotic fellow.

See also Birds.

Source: The Complete Guide to Interpreting Your Dreams Author: Stearn Robinson - Tom Corbett