I don't have any large, high-dander birds such as a cockatoo, but I do have a tiny one - a cockatiel which produces the same type of dander. I also have 2 conures, 2 lovebirds, and 2 linnies, 7 finches.
|Low-power SEM (500x) of a feather from a cockatiel bird. The granular appearance of the surface of the feather structures is due to bacteria-like organisms, visible below in the higher-power SEM.|
Before you go to Target and get the wrong type (ionic air purifiers are a big no-no) for under 100$, I highly recommend you do your research.